<html xmlns="http://www.w3.org/1999/xhtml"><head><meta charset="utf-8"><meta name="generator" content="pdf2htmlEX"><meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"><link rel="stylesheet" href="https://csdnimg.cn/release/download_crawler_static/css/base.min.css"><link rel="stylesheet" href="https://csdnimg.cn/release/download_crawler_static/css/fancy.min.css"><link rel="stylesheet" href="https://csdnimg.cn/release/download_crawler_static/10748570/raw.css"><script src="https://csdnimg.cn/release/download_crawler_static/js/compatibility.min.js"></script><script src="https://csdnimg.cn/release/download_crawler_static/js/pdf2htmlEX.min.js"></script><script>try{pdf2htmlEX.defaultViewer = new pdf2htmlEX.Viewer({});}catch(e){}</script><title></title></head><body><div id="sidebar" style="display: none"><div id="outline"></div></div><div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://csdnimg.cn/release/download_crawler_static/10748570/bg1.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">2<span class="_ _0"></span>0<span class="_ _0"></span>1<span class="_ _0"></span>7<span class="_ _0"></span>/3<span class="_ _0"></span>/<span class="_ _0"></span>1<span class="_ _1"></span>1<span class="_ _2"> </span>P<span class="_ _0"></span>yth<span class="_ _0"></span>o<span class="_ _0"></span>n<span class="_ _0"></span><span class="ff2">标准库<span class="ff1"><span class="_ _0"></span><span class="_ _3"></span>P<span class="_ _0"></span>yt<span class="_ _0"></span>h<span class="_ _0"></span>o<span class="_ _0"></span>n<span class="_ _0"></span>3<span class="_ _0"></span>.<span class="_ _0"></span>6<span class="_ _0"></span>.1<span class="_ _0"></span>rc1<span class="ff2">文档</span></span></span></div><div class="t m0 x1 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0">h<span class="_ _0"></span>tt<span class="_ _0"></span>p<span class="_ _0"></span>s:/<span class="_ _0"></span>/d<span class="_ _0"></span>o<span class="_ _0"></span>cs.<span class="_ _0"></span>p<span class="_ _0"></span>yth<span class="_ _0"></span>o<span class="_ _0"></span>n<span class="_ _0"></span>.<span class="_ _0"></span>o<span class="_ _0"></span>r<span class="_ _3"></span>g<span class="_ _0"></span>/<span class="_ _0"></span>3<span class="_ _0"></span>/li<span class="_ _3"></span>b<span class="_ _0"></span>rary/in<span class="_ _0"></span>d<span class="_ _0"></span>e<span class="_ _0"></span>x.h<span class="_ _0"></span>t<span class="_ _0"></span>m<span class="_ _3"></span>l<span class="_ _4"> </span>1<span class="_ _0"></span>/7</div><div class="c x2 y3 w2 h4"><div class="t m0 x1 h5 y4 ff1 fs1 fc1 sc0 ls0 ws0">Python<span class="ff3">标准库</span></div><div class="t m0 x1 h6 y5 ff3 fs2 fc2 sc0 ls0 ws0">虽然<span class="ff1 fc3">Python<span class="ff3">语言参考</span></span>描述了<span class="ff1 fc3">Python<span class="ff3">语言</span></span>的确<span class="_ _3"></span>切语法<span class="_"> </span>和<span class="_ _3"></span>语义，<span class="_ _3"></span>但该库<span class="_ _3"></span>参考手<span class="_ _3"></span>册描述<span class="_ _3"></span>了使用<span class="_ _3"></span><span class="ff1">Python</span></div><div class="t m0 x1 h6 y6 ff3 fs2 fc2 sc0 ls0 ws0">分发的标准库。它还描述了一些通常包含在<span class="ff1">Python</span>发行版中的可选组件。</div><div class="t m0 x1 h6 y7 ff1 fs2 fc2 sc0 ls0 ws0">Python<span class="ff3">的<span class="_ _3"></span>标准库非<span class="_ _3"></span>常广泛<span class="_ _3"></span>，提供了<span class="_ _3"></span>广泛的<span class="_ _3"></span>设施，<span class="_ _3"></span>如下面长<span class="_ _3"></span>列表所<span class="_ _3"></span>示。该<span class="_ _3"></span>库包<span class="_ _3"></span>含内<span class="_ _3"></span>置的<span class="_ _3"></span>模块<span class="_ _3"></span>（用</span></div><div class="t m0 x1 h6 y8 ff1 fs2 fc2 sc0 ls0 ws0">C<span class="_ _3"></span><span class="ff3">编<span class="_ _5"></span>写<span class="_ _3"></span>）<span class="_ _5"></span>，<span class="_ _3"></span>提<span class="_ _5"></span>供<span class="_ _3"></span>对<span class="_ _5"></span>系<span class="_ _3"></span>统<span class="_ _5"></span>功<span class="_ _3"></span>能<span class="_ _5"></span>的<span class="_ _3"></span>访<span class="_ _5"></span>问<span class="_ _3"></span>，<span class="_ _5"></span>例<span class="_ _3"></span>如<span class="_ _5"></span>文<span class="_ _3"></span>件<span class="_ _5"></span></span>I<span class="_ _3"></span>/<span class="_ _5"></span>O<span class="_ _3"></span><span class="ff3">，<span class="_ _5"></span>否<span class="_ _3"></span>则<span class="_ _5"></span></span>Python<span class="_ _3"></span><span class="ff3">程<span class="_ _5"></span>序<span class="_ _3"></span>员<span class="_ _5"></span>无<span class="_ _3"></span>法<span class="_ _5"></span>访<span class="_ _3"></span>问<span class="_ _5"></span>它<span class="_ _3"></span>，<span class="_ _5"></span>以<span class="_ _3"></span>及<span class="_ _5"></span>用</span></div><div class="t m0 x1 h6 y9 ff1 fs2 fc2 sc0 ls0 ws0">Python<span class="ff3">编<span class="_ _3"></span>写的模<span class="_"> </span>块<span class="_ _3"></span>，为发<span class="_ _3"></span>生在日<span class="_ _3"></span>常编程<span class="_ _3"></span>。这些<span class="_ _3"></span>模块中<span class="_ _3"></span>的一<span class="_"> </span>些<span class="_ _3"></span>模块<span class="_ _3"></span>被明确<span class="_ _3"></span>地设<span class="_"> </span>计<span class="_ _3"></span>为通<span class="_ _3"></span>过将平<span class="_ _3"></span>台特</span></div><div class="t m0 x1 h6 ya ff3 fs2 fc2 sc0 ls0 ws0">定抽象为平台中立的<span class="ff1">API</span>来鼓励和增强<span class="ff1">Python</span>程序的可移植性。</div><div class="t m0 x1 h6 yb ff3 fs2 fc2 sc0 ls0 ws0">用于<span class="_ _3"></span><span class="ff1">Windows</span>平台<span class="_ _3"></span>的<span class="ff1">Python</span>安<span class="_ _3"></span>装程序<span class="_ _3"></span>通常包<span class="_ _3"></span>括整个<span class="_ _3"></span>标准库<span class="_ _3"></span>，并且<span class="_ _3"></span>通常还<span class="_ _3"></span>包括许<span class="_ _3"></span>多附加<span class="_ _3"></span>组件。<span class="_ _3"></span>对</div><div class="t m0 x1 h6 yc ff3 fs2 fc2 sc0 ls0 ws0">于类<span class="ff1">UNIX</span>操作系统，<span class="ff1">Python</span>通常作为<span class="_ _3"></span>包的集合提供，因此可能需要使用操作系统提供的<span class="_"> </span>包<span class="_ _3"></span>装工</div><div class="t m0 x1 h6 yd ff3 fs2 fc2 sc0 ls0 ws0">具来获取一些或所有可选组件。</div><div class="t m0 x1 h6 ye ff3 fs2 fc2 sc0 ls0 ws0">除了<span class="_ _3"></span>标准库<span class="_ _3"></span>之外<span class="_ _3"></span>，还有<span class="_ _3"></span>一个不<span class="_ _3"></span>断增<span class="_ _3"></span>长的数<span class="_ _3"></span>千个组<span class="_ _3"></span>件（<span class="_"> </span>从<span class="_ _3"></span>单个<span class="_ _3"></span>程序和<span class="_ _3"></span>模块到<span class="_ _3"></span>包和<span class="_ _3"></span>整个应<span class="_ _3"></span>用程序<span class="_ _3"></span>开</div><div class="t m0 x1 h6 yf ff3 fs2 fc2 sc0 ls0 ws0">发框架），可从<span class="ff1 fc3">Python<span class="ff3">包索引获得</span></span>。</div><div class="t m0 x3 h6 y10 ff1 fs2 fc4 sc0 ls0 ws0">1.<span class="ff3">介绍</span></div><div class="t m0 x3 h6 y11 ff1 fs2 fc4 sc0 ls0 ws0">2.<span class="ff3">内置函数</span></div><div class="t m0 x3 h6 y12 ff1 fs2 fc3 sc0 ls0 ws0">3.<span class="ff3">内置常量</span></div><div class="t m0 x4 h6 y13 ff1 fs2 fc3 sc0 ls0 ws0">3.1<span class="ff3">。所加入的常量<span class="_ _5"></span><span class="ff4 fs3">site<span class="_ _5"></span></span>模块</span></div><div class="t m0 x3 h6 y14 ff1 fs2 fc3 sc0 ls0 ws0">4.<span class="ff3">内置类型</span></div><div class="t m0 x4 h6 y15 ff1 fs2 fc3 sc0 ls0 ws0">4.1<span class="ff3">。真值检验</span></div><div class="t m0 x4 h6 y16 ff1 fs2 fc3 sc0 ls0 ws0">4.2<span class="ff3">。布尔运算</span><span class="ff3">，，<span class="_ _5"></span><span class="ff4 fs3">and<span class="_ _6"> </span>or<span class="_ _6"> </span>not</span></span></div><div class="t m0 x4 h6 y17 ff1 fs2 fc3 sc0 ls0 ws0">4.3<span class="ff3">。比较</span></div><div class="t m0 x4 h6 y18 ff1 fs2 fc3 sc0 ls0 ws0">4.4<span class="ff3">。数字类型</span><span class="ff3">，，<span class="_ _5"></span><span class="ff4 fs3">int<span class="_ _6"> </span>float<span class="_ _6"> </span>complex</span></span></div><div class="t m0 x4 h6 y19 ff1 fs2 fc3 sc0 ls0 ws0">4.5<span class="ff3">。迭代器类型</span></div><div class="t m0 x4 h6 y1a ff1 fs2 fc3 sc0 ls0 ws0">4.6<span class="ff3">。序列类型</span><span class="ff3">，，<span class="_ _5"></span><span class="ff4 fs3">list<span class="_ _6"> </span>tuple<span class="_ _6"> </span>range</span></span></div><div class="t m0 x4 h6 y1b ff1 fs2 fc3 sc0 ls0 ws0">4.7<span class="ff3">。文本序列类型</span><span class="_ _5"></span><span class="ff4 fs3">str</span></div><div class="t m0 x4 h6 y1c ff1 fs2 fc3 sc0 ls0 ws0">4.8<span class="ff3">。二进制序列类型</span><span class="ff3">，，<span class="_ _5"></span><span class="ff4 fs3">bytes<span class="_ _6"> </span>bytearray<span class="_ _6"> </span>memoryview</span></span></div><div class="t m0 x4 h6 y1d ff1 fs2 fc3 sc0 ls0 ws0">4.9<span class="ff3">。设置类型</span><span class="_ _5"></span><span class="ff4 fs3">set<span class="_ _5"></span></span><span class="ff3">，<span class="_ _5"></span><span class="ff4 fs3">frozenset</span></span></div><div class="t m0 x4 h6 y1e ff1 fs2 fc3 sc0 ls0 ws0">4.10<span class="ff3">。映射类型</span><span class="_ _5"></span><span class="ff4 fs3">dict</span></div><div class="t m0 x4 h6 y1f ff1 fs2 fc3 sc0 ls0 ws0">4.1<span class="_ _1"></span>1<span class="ff3">。上下文管理器类型</span></div><div class="t m0 x4 h6 y20 ff1 fs2 fc3 sc0 ls0 ws0">4.12<span class="ff3">。其他内置类型</span></div><div class="t m0 x4 h6 y21 ff1 fs2 fc3 sc0 ls0 ws0">4.13<span class="ff3">。特殊属性</span></div><div class="t m0 x3 h6 y22 ff1 fs2 fc3 sc0 ls0 ws0">5.<span class="ff3">内置异常</span></div><div class="t m0 x4 h6 y23 ff1 fs2 fc3 sc0 ls0 ws0">5.1<span class="ff3">。基类</span></div><div class="t m0 x4 h6 y24 ff1 fs2 fc3 sc0 ls0 ws0">5.2<span class="ff3">。具体异常</span></div><div class="t m0 x4 h6 y25 ff1 fs2 fc3 sc0 ls0 ws0">5.3<span class="ff3">。警告</span></div><div class="t m0 x4 h6 y26 ff1 fs2 fc3 sc0 ls0 ws0">5.4<span class="ff3">。异常层次结构</span></div><div class="t m0 x3 h6 y27 ff1 fs2 fc3 sc0 ls0 ws0">6.<span class="ff3">文本处理服务</span></div><div class="t m0 x4 h6 y28 ff1 fs2 fc3 sc0 ls0 ws0">6.1<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">string<span class="_ _5"></span></span></span><span class="ff3">公共字符串操作</span></div><div class="t m0 x4 h6 y29 ff1 fs2 fc3 sc0 ls0 ws0">6.2<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">re<span class="_ _5"></span></span></span><span class="ff3">正则表达式操作</span></div><div class="t m0 x4 h6 y2a ff1 fs2 fc3 sc0 ls0 ws0">6.3<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">difflib<span class="_ _5"></span></span></span><span class="ff3">帮助计算增量</span></div><div class="t m0 x4 h6 y2b ff1 fs2 fc3 sc0 ls0 ws0">6.4<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">textwrap<span class="_ _5"></span></span></span><span class="ff3">文本包装和填充</span></div><div class="t m0 x4 h6 y2c ff1 fs2 fc3 sc0 ls0 ws0">6.5<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">unicodedata<span class="_ _5"></span></span></span>Unicode<span class="ff3">数据库</span></div><div class="t m0 x4 h6 y2d ff1 fs2 fc3 sc0 ls0 ws0">6.6<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">stringprep<span class="_ _5"></span></span></span><span class="ff3">互联网字符串准备</span></div><div class="t m0 x4 h6 y2e ff1 fs2 fc3 sc0 ls0 ws0">6.7<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">readline<span class="_ _5"></span></span></span>GNUreadline<span class="ff3">界面</span></div><div class="t m0 x4 h6 y2f ff1 fs2 fc3 sc0 ls0 ws0">6.8<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">rlcompleter<span class="_ _5"></span></span></span>GNUreadline<span class="ff3">的完成功能</span></div><div class="t m0 x3 h6 y30 ff1 fs2 fc3 sc0 ls0 ws0">7.<span class="ff3">二进制数据服务</span></div><div class="t m0 x5 h7 y31 ff1 fs4 fc5 sc0 ls0 ws0">15<span class="_ _3"></span>1<span class="_ _3"></span>.<span class="_ _0"></span>1<span class="_ _3"></span>01<span class="_ _3"></span>.<span class="_ _0"></span>7<span class="_ _3"></span>2.22<span class="_ _3"></span>3</div></div><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div 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<div id="pf2" class="pf w0 h0" data-page-no="2"><div class="pc pc2 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://csdnimg.cn/release/download_crawler_static/10748570/bg2.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">2<span class="_ _0"></span>0<span class="_ _0"></span>1<span class="_ _0"></span>7<span class="_ _0"></span>/3<span class="_ _0"></span>/<span class="_ _0"></span>1<span class="_ _1"></span>1<span class="_ _2"> </span>P<span class="_ _0"></span>yth<span class="_ _0"></span>o<span class="_ _0"></span>n<span class="_ _0"></span><span class="ff2">标准库<span class="ff1"><span class="_ _0"></span><span class="_ _3"></span>P<span class="_ _0"></span>yt<span class="_ _0"></span>h<span class="_ _0"></span>o<span class="_ _0"></span>n<span class="_ _0"></span>3<span class="_ _0"></span>.<span class="_ _0"></span>6<span class="_ _0"></span>.1<span class="_ _0"></span>rc1<span class="ff2">文档</span></span></span></div><div class="t m0 x1 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0">h<span class="_ _0"></span>tt<span class="_ _0"></span>p<span class="_ _0"></span>s:/<span class="_ _0"></span>/d<span class="_ _0"></span>o<span class="_ _0"></span>cs.<span class="_ _0"></span>p<span class="_ _0"></span>yth<span class="_ _0"></span>o<span class="_ _0"></span>n<span class="_ _0"></span>.<span class="_ _0"></span>o<span class="_ _0"></span>r<span class="_ _3"></span>g<span class="_ _0"></span>/<span class="_ _0"></span>3<span class="_ _0"></span>/li<span class="_ _3"></span>b<span class="_ _0"></span>rary/in<span class="_ _0"></span>d<span class="_ _0"></span>e<span class="_ _0"></span>x.h<span class="_ _0"></span>t<span class="_ _0"></span>m<span class="_ _3"></span>l<span class="_ _4"> </span>2<span class="_ _0"></span>/7</div><div class="c x2 y3 w2 h8"><div class="t m0 x4 h6 y32 ff1 fs2 fc3 sc0 ls0 ws0">7.1<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">struct<span class="_ _5"></span></span></span><span class="ff3">将字节解释为打包二进制数据</span></div><div class="t m0 x4 h6 y33 ff1 fs2 fc3 sc0 ls0 ws0">7.2<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">codecs<span class="_ _5"></span></span></span><span class="ff3">编解码器注册表和基类</span></div><div class="t m0 x3 h6 y34 ff1 fs2 fc3 sc0 ls0 ws0">8.<span class="ff3">数据类型</span></div><div class="t m0 x4 h6 y35 ff1 fs2 fc3 sc0 ls0 ws0">8.1<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">datetime<span class="_ _5"></span></span></span><span class="ff3">基本日期和时间类型</span></div><div class="t m0 x4 h6 y36 ff1 fs2 fc3 sc0 ls0 ws0">8.2<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">calendar<span class="_ _5"></span></span></span><span class="ff3">日历相关功能</span></div><div class="t m0 x4 h6 y37 ff1 fs2 fc3 sc0 ls0 ws0">8.3<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">collections<span class="_ _5"></span></span></span><span class="ff3">容器数据类型</span></div><div class="t m0 x4 h6 y38 ff1 fs2 fc3 sc0 ls0 ws0">8.4<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">collections.abc<span class="_ _5"></span></span></span><span class="ff3">容器的抽象基类</span></div><div class="t m0 x4 h6 y39 ff1 fs2 fc3 sc0 ls0 ws0">8.5<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">heapq<span class="_ _5"></span></span></span><span class="ff3">堆队列算法</span></div><div class="t m0 x4 h6 y3a ff1 fs2 fc3 sc0 ls0 ws0">8.6<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">bisect<span class="_ _5"></span></span></span><span class="ff3">数组二分法</span></div><div class="t m0 x4 h6 y3b ff1 fs2 fc3 sc0 ls0 ws0">8.7<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">array<span class="_ _5"></span></span></span><span class="ff3">数值的有效数组</span></div><div class="t m0 x4 h6 y3c ff1 fs2 fc3 sc0 ls0 ws0">8.8<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">weakref<span class="_ _5"></span></span></span><span class="ff3">弱参考</span></div><div class="t m0 x4 h6 y3d ff1 fs2 fc3 sc0 ls0 ws0">8.9<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">types<span class="_ _5"></span></span></span><span class="ff3">动态类型创建和内置类型的名称</span></div><div class="t m0 x4 h6 y3e ff1 fs2 fc3 sc0 ls0 ws0">8.10<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">copy<span class="_ _5"></span></span></span><span class="ff3">浅和深复制操作</span></div><div class="t m0 x4 h6 y3f ff1 fs2 fc3 sc0 ls0 ws0">8.1<span class="_ _1"></span>1<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">pprint<span class="_ _5"></span></span></span><span class="ff3">数据漂亮的打印机</span></div><div class="t m0 x4 h6 y40 ff1 fs2 fc3 sc0 ls0 ws0">8.12<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">reprlib<span class="_ _5"></span></span></span><span class="ff3">替代<span class="_ _5"></span><span class="ff4 fs3">repr()<span class="_ _5"></span></span>实施</span></div><div class="t m0 x4 h6 y41 ff1 fs2 fc3 sc0 ls0 ws0">8.13<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">enum<span class="_ _5"></span></span></span><span class="ff3">支持枚举</span></div><div class="t m0 x3 h6 y42 ff1 fs2 fc3 sc0 ls0 ws0">9.<span class="ff3">数值和数学模块</span></div><div class="t m0 x4 h6 y43 ff1 fs2 fc3 sc0 ls0 ws0">9.1<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">numbers<span class="_ _5"></span></span></span><span class="ff3">数值抽象基类</span></div><div class="t m0 x4 h6 y44 ff1 fs2 fc3 sc0 ls0 ws0">9.2<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">math<span class="_ _5"></span></span></span><span class="ff3">数学函数</span></div><div class="t m0 x4 h6 y45 ff1 fs2 fc3 sc0 ls0 ws0">9.3<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">cmath<span class="_ _5"></span></span></span><span class="ff3">复数的数学函数</span></div><div class="t m0 x4 h6 y46 ff1 fs2 fc3 sc0 ls0 ws0">9.4<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">decimal<span class="_ _5"></span></span></span><span class="ff3">十进制定点和浮点运算</span></div><div class="t m0 x4 h6 y47 ff1 fs2 fc3 sc0 ls0 ws0">9.5<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">fractions<span class="_ _5"></span></span></span><span class="ff3">有理数</span></div><div class="t m0 x4 h6 y48 ff1 fs2 fc3 sc0 ls0 ws0">9.6<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">random<span class="_ _5"></span></span></span><span class="ff3">生成伪随机数</span></div><div class="t m0 x4 h6 y49 ff1 fs2 fc3 sc0 ls0 ws0">9.7<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">statistics<span class="_ _5"></span></span></span><span class="ff3">数学统计功能</span></div><div class="t m0 x3 h6 y4a ff1 fs2 fc3 sc0 ls0 ws0">10.<span class="ff3">功能编程模块</span></div><div class="t m0 x4 h6 y4b ff1 fs2 fc3 sc0 ls0 ws0">10.1<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">itertools<span class="_ _5"></span></span></span><span class="ff3">为高效循环创建迭代器的函数</span></div><div class="t m0 x4 h6 y4c ff1 fs2 fc3 sc0 ls0 ws0">10.2<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">functools<span class="_ _5"></span></span></span><span class="ff3">对可调用对象的高阶函数和操作</span></div><div class="t m0 x4 h6 y4d ff1 fs2 fc3 sc0 ls0 ws0">10.3<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">operator<span class="_ _5"></span></span></span><span class="ff3">标准操作符作为函数</span></div><div class="t m0 x3 h6 y4e ff1 fs2 fc3 sc0 ls0 ws0">1<span class="_ _1"></span>1.<span class="ff3">文件和目录访问</span></div><div class="t m0 x4 h6 y4f ff1 fs2 fc3 sc0 ls0 ws0">1<span class="_ _1"></span>1.1<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">pathlib<span class="_ _5"></span></span></span><span class="ff3">面向对象的文件系统路径</span></div><div class="t m0 x4 h6 y50 ff1 fs2 fc3 sc0 ls0 ws0">1<span class="_ _1"></span>1.2<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">os.path<span class="_ _5"></span></span></span><span class="ff3">公共路径名操作</span></div><div class="t m0 x4 h6 y51 ff1 fs2 fc3 sc0 ls0 ws0">1<span class="_ _1"></span>1.3<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">fileinput<span class="_ _5"></span></span></span><span class="ff3">从多个输入流的线路迭代</span></div><div class="t m0 x4 h6 y52 ff1 fs2 fc3 sc0 ls0 ws0">1<span class="_ _1"></span>1.4<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">stat<span class="_ _5"></span></span></span><span class="ff3">解释<span class="_ _5"></span><span class="ff4 fs3">stat()<span class="_ _5"></span></span>结果</span></div><div class="t m0 x4 h6 y53 ff1 fs2 fc3 sc0 ls0 ws0">1<span class="_ _1"></span>1.5<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">filecmp<span class="_ _5"></span></span></span><span class="ff3">文件和目录比较</span></div><div class="t m0 x4 h6 y54 ff1 fs2 fc3 sc0 ls0 ws0">1<span class="_ _1"></span>1.6<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">tempfile<span class="_ _5"></span></span></span><span class="ff3">生成临时文件和目录</span></div><div class="t m0 x4 h6 y55 ff1 fs2 fc3 sc0 ls0 ws0">1<span class="_ _1"></span>1.7<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">glob<span class="_ _5"></span></span></span>Unix<span class="ff3">样式的路径名模式扩展</span></div><div class="t m0 x4 h6 y56 ff1 fs2 fc3 sc0 ls0 ws0">1<span class="_ _1"></span>1.8<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">fnmatch<span class="_ _5"></span></span></span>Unix<span class="ff3">文件名模式匹配</span></div><div class="t m0 x4 h6 y57 ff1 fs2 fc3 sc0 ls0 ws0">1<span class="_ _1"></span>1.9<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">linecache<span class="_ _5"></span></span></span><span class="ff3">随机访问文本行</span></div><div class="t m0 x4 h6 y58 ff1 fs2 fc3 sc0 ls0 ws0">1<span class="_ _1"></span>1.10<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">shutil<span class="_ _5"></span></span></span><span class="ff3">高级文件操作</span></div><div class="t m0 x4 h6 y59 ff1 fs2 fc3 sc0 ls0 ws0">1<span class="_ _1"></span>1.1<span class="_ _7"></span>1<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">macpath<span class="_ _5"></span></span></span>MacOS9<span class="ff3">路径处理功能</span></div><div class="t m0 x3 h6 y5a ff1 fs2 fc3 sc0 ls0 ws0">12.<span class="ff3">数据持久性</span></div><div class="t m0 x4 h6 y5b ff1 fs2 fc3 sc0 ls0 ws0">12.1<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">pickle<span class="_ _5"></span></span></span>Python<span class="ff3">对象序列化</span></div><div class="t m0 x4 h6 y5c ff1 fs2 fc3 sc0 ls0 ws0">12.2<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">copyreg<span class="_ _5"></span></span></span><span class="ff3">注册<span class="_ _5"></span><span class="ff4 fs3">pickle<span class="_ _5"></span></span>支持功能</span></div><div class="t m0 x4 h6 y5d ff1 fs2 fc3 sc0 ls0 ws0">12.3<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">shelve<span class="_ _5"></span></span></span>Python<span class="ff3">对象持久化</span></div><div class="t m0 x4 h6 y5e ff1 fs2 fc3 sc0 ls0 ws0">12.4<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">marshal<span class="_ _5"></span></span></span><span class="ff3">内部</span>Python<span class="ff3">对象序列化</span></div><div class="t m0 x4 h6 y5f ff1 fs2 fc3 sc0 ls0 ws0">12.5<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">dbm<span class="_ _5"></span></span></span><span class="ff3">接口到</span>Unix“<span class="ff3">数据库</span>”</div><div class="t m0 x4 h6 y60 ff1 fs2 fc3 sc0 ls0 ws0">12.6<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">sqlite3<span class="_ _5"></span></span></span>SQLite<span class="ff3">数据库的</span>DBAPI2.0<span class="ff3">接口</span></div><div class="t m0 x3 h6 y61 ff1 fs2 fc3 sc0 ls0 ws0">13.<span class="ff3">数据压缩和归档</span></div><div class="t m0 x4 h6 y62 ff1 fs2 fc3 sc0 ls0 ws0">13.1<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">zlib<span class="_ _5"></span></span></span><span class="ff3">压缩与<span class="ff5">gzip</span>兼容</span></div><div class="t m0 x4 h6 y63 ff1 fs2 fc3 sc0 ls0 ws0">13.2<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">gzip<span class="_ _5"></span></span></span><span class="ff3">支持<span class="ff5">gzip</span>文件</span></div><div class="t m0 x4 h6 y64 ff1 fs2 fc3 sc0 ls0 ws0">13.3<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">bz2<span class="_ _5"></span></span></span><span class="ff3">支持<span class="ff6">的<span class="ff5">bzip2</span></span>压缩</span></div><div class="t m0 x4 h6 y65 ff1 fs2 fc3 sc0 ls0 ws0">13.4<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">lzma<span class="_ _5"></span></span></span><span class="ff3">使用</span>LZMA<span class="ff3">算法的压缩</span></div><div class="t m0 x5 h7 y31 ff1 fs4 fc5 sc0 ls0 ws0">15<span class="_ _3"></span>1<span class="_ _3"></span>.<span class="_ _0"></span>1<span class="_ _3"></span>01<span class="_ _3"></span>.<span class="_ _0"></span>7<span class="_ _3"></span>2.22<span class="_ _3"></span>3</div></div><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a></div><div class="pi" data-data='{"ctm":[1.611639,0.000000,0.000000,1.611639,0.000000,0.000000]}'></div></div>
<div id="pf3" class="pf w0 h0" data-page-no="3"><div class="pc pc3 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://csdnimg.cn/release/download_crawler_static/10748570/bg3.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">2<span class="_ _0"></span>0<span class="_ _0"></span>1<span class="_ _0"></span>7<span class="_ _0"></span>/3<span class="_ _7"></span>/1<span class="_ _1"></span>1<span class="_ _2"> </span>P<span class="_ _0"></span>yt<span class="_ _0"></span>h<span class="_ _0"></span>o<span class="_ _0"></span>n<span class="_ _0"></span><span class="ff2">标准库<span class="ff1"><span class="_ _3"></span><span class="_ _0"></span>P<span class="_ _0"></span>yth<span class="_ _0"></span>o<span class="_ _0"></span>n<span class="_ _0"></span><span class="_ _0"></span>3<span class="_ _0"></span>.6<span class="_ _0"></span>.<span class="_ _0"></span>1<span class="_ _0"></span>r<span class="_ _3"></span>c1<span class="_ _0"></span><span class="ff2">文档</span></span></span></div><div class="t m0 x1 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0">h<span class="_ _0"></span>tt<span class="_ _0"></span>p<span class="_ _0"></span>s:/<span class="_ _0"></span>/d<span class="_ _7"></span>o<span class="_ _0"></span>cs.p<span class="_ _7"></span>yth<span class="_ _7"></span>on<span class="_ _7"></span>.o<span class="_ _7"></span>r<span class="_ _3"></span>g<span class="_ _0"></span>/3<span class="_ _7"></span>/li<span class="_ _3"></span>b<span class="_ _7"></span>r<span class="_ _3"></span>a<span class="_ _0"></span>r<span class="_ _3"></span>y/<span class="_ _0"></span>i<span class="_ _3"></span>n<span class="_ _7"></span>de<span class="_ _7"></span>x.h<span class="_ _7"></span>tml<span class="_ _4"> </span>3/<span class="_ _0"></span>7</div><div class="c x2 y3 w2 h8"><div class="t m0 x4 h6 y66 ff1 fs2 fc3 sc0 ls0 ws0">13.5<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">zipfile<span class="_ _5"></span></span></span><span class="ff3">使用</span>ZIP<span class="ff3">存档</span></div><div class="t m0 x4 h6 y67 ff1 fs2 fc3 sc0 ls0 ws0">13.6<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">tarfile<span class="_ _5"></span></span></span><span class="ff3">读取和写入</span>tar<span class="ff3">存档文件</span></div><div class="t m0 x3 h6 y68 ff1 fs2 fc3 sc0 ls0 ws0">14.<span class="ff3">文件格式</span></div><div class="t m0 x4 h6 y69 ff1 fs2 fc3 sc0 ls0 ws0">14.1<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">csv<span class="_ _5"></span></span></span>CSV<span class="ff3">文件读写</span></div><div class="t m0 x4 h6 y6a ff1 fs2 fc3 sc0 ls0 ws0">14.2<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">configparser<span class="_ _5"></span></span></span><span class="ff3">配置文件解析器</span></div><div class="t m0 x4 h6 y6b ff1 fs2 fc3 sc0 ls0 ws0">14.3<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">netrc<span class="_ _5"></span></span></span>netrc<span class="ff3">文件处理</span></div><div class="t m0 x4 h6 y6c ff1 fs2 fc3 sc0 ls0 ws0">14.4<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">xdrlib<span class="_ _5"></span></span></span><span class="ff3">编码和解码</span>XDR<span class="ff3">数据</span></div><div class="t m0 x4 h6 y6d ff1 fs2 fc3 sc0 ls0 ws0">14.5<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">plistlib<span class="_ _5"></span></span></span><span class="ff3">生成和解析</span>MacOSX<span class="_ _5"></span><span class="ff4 fs3">.plist<span class="_ _5"></span></span><span class="ff3">文件</span></div><div class="t m0 x3 h6 y6e ff1 fs2 fc3 sc0 ls0 ws0">15.<span class="ff3">加密服务</span></div><div class="t m0 x4 h6 y6f ff1 fs2 fc3 sc0 ls0 ws0">15.1<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">hashlib<span class="_ _5"></span></span></span><span class="ff3">安全散列和消息摘要</span></div><div class="t m0 x4 h6 y70 ff1 fs2 fc3 sc0 ls0 ws0">15.2<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">hmac<span class="_ _5"></span></span></span><span class="ff3">消息认证的键控散列</span></div><div class="t m0 x4 h6 y71 ff1 fs2 fc3 sc0 ls0 ws0">15.3<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">secrets<span class="_ _5"></span></span></span><span class="ff3">生成安全的随机数以管理秘密</span></div><div class="t m0 x3 h6 y72 ff1 fs2 fc3 sc0 ls0 ws0">16.<span class="ff3">通用操作系统服务</span></div><div class="t m0 x4 h6 y73 ff1 fs2 fc3 sc0 ls0 ws0">16.1<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">os<span class="_ _5"></span></span></span><span class="ff3">其他操作系统接口</span></div><div class="t m0 x4 h6 y74 ff1 fs2 fc3 sc0 ls0 ws0">16.2<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">io<span class="_ _5"></span></span></span><span class="ff3">用于处理流的核心工具</span></div><div class="t m0 x4 h6 y75 ff1 fs2 fc3 sc0 ls0 ws0">16.3<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">time<span class="_ _5"></span></span></span><span class="ff3">时间访问和转换</span></div><div class="t m0 x4 h6 y76 ff1 fs2 fc3 sc0 ls0 ws0">16.4<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">argparse<span class="_ _5"></span></span></span><span class="ff3">解析器，用于命令行选项，参数和子命令</span></div><div class="t m0 x4 h6 y77 ff1 fs2 fc3 sc0 ls0 ws0">16.5<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">getopt<span class="_ _5"></span></span></span><span class="ff3">命令行选项的</span>C<span class="ff3">样式解析器</span></div><div class="t m0 x4 h6 y78 ff1 fs2 fc3 sc0 ls0 ws0">16.6<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">logging<span class="_ _5"></span></span></span>Python<span class="ff3">的日志记录工具</span></div><div class="t m0 x4 h6 y79 ff1 fs2 fc3 sc0 ls0 ws0">16.7<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">logging.config<span class="_ _5"></span></span></span><span class="ff3">日志配置</span></div><div class="t m0 x4 h6 y7a ff1 fs2 fc3 sc0 ls0 ws0">16.8<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">logging.handlers<span class="_ _5"></span></span></span><span class="ff3">日志处理程序</span></div><div class="t m0 x4 h6 y7b ff1 fs2 fc3 sc0 ls0 ws0">16.9<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">getpass<span class="_ _5"></span></span></span><span class="ff3">便携式密码输入</span></div><div class="t m0 x4 h6 y7c ff1 fs2 fc3 sc0 ls0 ws0">16.10<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">curses<span class="_ _5"></span></span></span><span class="ff3">字符单元显示的终端处理</span></div><div class="t m0 x4 h6 y7d ff1 fs2 fc3 sc0 ls0 ws0">16.1<span class="_ _1"></span>1<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">curses.textpad<span class="_ _5"></span></span></span>curses<span class="ff3">程序的文本输入小部件</span></div><div class="t m0 x4 h6 y7e ff1 fs2 fc3 sc0 ls0 ws0">16.12<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">curses.ascii<span class="_ _5"></span></span></span>ASCII<span class="ff3">字符的实用程序</span></div><div class="t m0 x4 h6 y7f ff1 fs2 fc3 sc0 ls0 ws0">16.13<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">curses.panel<span class="_ _5"></span></span></span><span class="ff3">诅咒的面板栈扩展</span></div><div class="t m0 x4 h6 y80 ff1 fs2 fc3 sc0 ls0 ws0">16.14<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">platform<span class="_ _5"></span></span></span><span class="ff3">访问底层平台的标识数据</span></div><div class="t m0 x4 h6 y81 ff1 fs2 fc3 sc0 ls0 ws0">16.15<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">errno<span class="_ _5"></span></span></span><span class="ff3">标准</span>errno<span class="ff3">系统符号</span></div><div class="t m0 x4 h6 y82 ff1 fs2 fc3 sc0 ls0 ws0">16.16<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">ctypes<span class="_ _5"></span></span></span>Python<span class="ff3">的外部函数库</span></div><div class="t m0 x3 h6 y83 ff1 fs2 fc3 sc0 ls0 ws0">17.<span class="ff3">并发执行</span></div><div class="t m0 x4 h6 y84 ff1 fs2 fc3 sc0 ls0 ws0">17.1<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">threading<span class="_ _5"></span></span></span><span class="ff3">基于线程的并行性</span></div><div class="t m0 x4 h6 y85 ff1 fs2 fc3 sc0 ls0 ws0">17.2<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">multiprocessing<span class="_ _5"></span></span></span><span class="ff3">基于进程的并行性</span></div><div class="t m0 x4 h6 y86 ff1 fs2 fc3 sc0 ls0 ws0">17.3<span class="ff3">。该<span class="_ _5"></span><span class="ff4 fs3">concurrent<span class="_ _5"></span></span>包</span></div><div class="t m0 x4 h6 y87 ff1 fs2 fc3 sc0 ls0 ws0">17.4<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">concurrent.futures<span class="_ _5"></span></span></span><span class="ff3">启动并行任务</span></div><div class="t m0 x4 h6 y88 ff1 fs2 fc3 sc0 ls0 ws0">17.5<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">subprocess<span class="_ _5"></span></span></span><span class="ff3">子过程管理</span></div><div class="t m0 x4 h6 y89 ff1 fs2 fc3 sc0 ls0 ws0">17.6<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">sched<span class="_ _5"></span></span></span><span class="ff3">事件调度器</span></div><div class="t m0 x4 h6 y8a ff1 fs2 fc3 sc0 ls0 ws0">17.7<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">queue<span class="_ _5"></span></span></span><span class="ff3">同步队列类</span></div><div class="t m0 x4 h6 y8b ff1 fs2 fc3 sc0 ls0 ws0">17.8<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">dummy_threading<span class="_ _5"></span></span></span><span class="_ _5"></span><span class="ff4 fs3">threading<span class="_ _5"></span></span><span class="ff3">模块的插入式更换</span></div><div class="t m0 x4 h6 y8c ff1 fs2 fc3 sc0 ls0 ws0">17.9<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">_thread<span class="_ _5"></span></span></span><span class="ff3">低级线程</span>API</div><div class="t m0 x4 h6 y8d ff1 fs2 fc3 sc0 ls0 ws0">17.10<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">_dummy_thread<span class="_ _5"></span></span></span><span class="_ _5"></span><span class="ff4 fs3">_thread<span class="_ _5"></span></span><span class="ff3">模块的插入式更换</span></div><div class="t m0 x3 h6 y8e ff1 fs2 fc3 sc0 ls0 ws0">18.<span class="ff3">进程间通信和网络</span></div><div class="t m0 x4 h6 y8f ff1 fs2 fc3 sc0 ls0 ws0">18.1<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">socket<span class="_ _5"></span></span></span><span class="ff3">低级网络接口</span></div><div class="t m0 x4 h6 y90 ff1 fs2 fc3 sc0 ls0 ws0">18.2<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">ssl<span class="_ _5"></span></span></span><span class="ff3">套接字对象的</span>TLS/SSL<span class="ff3">包装器</span></div><div class="t m0 x4 h6 y91 ff1 fs2 fc3 sc0 ls0 ws0">18.3<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">select<span class="_ _5"></span></span></span><span class="ff3">等待</span>I/O<span class="ff3">完成</span></div><div class="t m0 x4 h6 y92 ff1 fs2 fc3 sc0 ls0 ws0">18.4<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">selectors<span class="_ _5"></span></span></span><span class="ff3">高级</span>I/O<span class="ff3">复用</span></div><div class="t m0 x4 h6 y93 ff1 fs2 fc3 sc0 ls0 ws0">18.5<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">asyncio<span class="_ _5"></span></span></span><span class="ff3">异步</span>I/O<span class="ff3">，事件循环，协同程序和任务</span></div><div class="t m0 x4 h6 y94 ff1 fs2 fc3 sc0 ls0 ws0">18.6<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">asyncore<span class="_ _5"></span></span></span><span class="ff3">异步套接字处理程序</span></div><div class="t m0 x4 h6 y95 ff1 fs2 fc3 sc0 ls0 ws0">18.7<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">asynchat<span class="_ _5"></span></span></span><span class="ff3">异步套接字命令</span>/<span class="ff3">响应处理程序</span></div><div class="t m0 x4 h6 y96 ff1 fs2 fc3 sc0 ls0 ws0">18.8<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">signal<span class="_ _5"></span></span></span><span class="ff3">为异步事件设置处理程序</span></div><div class="t m0 x4 h6 y97 ff1 fs2 fc3 sc0 ls0 ws0">18.9<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">mmap<span class="_ _5"></span></span></span><span class="ff3">内存映射文件支持</span></div><div class="t m0 x3 h6 y98 ff1 fs2 fc3 sc0 ls0 ws0">19.<span class="ff3">互联网数据处理</span></div><div class="t m0 x4 h6 y99 ff1 fs2 fc3 sc0 ls0 ws0">19.1<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">email<span class="_ _5"></span></span></span><span class="ff3">电子邮件和</span>MIME<span class="ff3">处理包</span></div><div class="t m0 x5 h7 y31 ff1 fs4 fc5 sc0 ls0 ws0">15<span class="_ _3"></span>1<span class="_ _3"></span>.<span class="_ _0"></span>1<span class="_ _3"></span>01<span class="_ _3"></span>.<span class="_ _0"></span>7<span class="_ _3"></span>2.22<span class="_ _3"></span>3</div></div><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a></div><div class="pi" data-data='{"ctm":[1.611639,0.000000,0.000000,1.611639,0.000000,0.000000]}'></div></div>
<div id="pf4" class="pf w0 h0" data-page-no="4"><div class="pc pc4 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://csdnimg.cn/release/download_crawler_static/10748570/bg4.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">2<span class="_ _0"></span>0<span class="_ _0"></span>1<span class="_ _0"></span>7<span class="_ _0"></span>/3<span class="_ _7"></span>/1<span class="_ _1"></span>1<span class="_ _2"> </span>P<span class="_ _0"></span>yt<span class="_ _0"></span>h<span class="_ _0"></span>o<span class="_ _0"></span>n<span class="_ _0"></span><span class="ff2">标准库<span class="ff1"><span class="_ _3"></span><span class="_ _0"></span>P<span class="_ _0"></span>yth<span class="_ _0"></span>o<span class="_ _0"></span>n<span class="_ _0"></span><span class="_ _0"></span>3<span class="_ _0"></span>.6<span class="_ _0"></span>.<span class="_ _0"></span>1<span class="_ _0"></span>r<span class="_ _3"></span>c1<span class="_ _0"></span><span class="ff2">文档</span></span></span></div><div class="t m0 x1 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0">h<span class="_ _0"></span>tt<span class="_ _0"></span>p<span class="_ _0"></span>s:/<span class="_ _0"></span>/d<span class="_ _7"></span>o<span class="_ _0"></span>cs.p<span class="_ _7"></span>yth<span class="_ _7"></span>on<span class="_ _7"></span>.o<span class="_ _7"></span>r<span class="_ _3"></span>g<span class="_ _0"></span>/3<span class="_ _7"></span>/li<span class="_ _3"></span>b<span class="_ _7"></span>r<span class="_ _3"></span>a<span class="_ _0"></span>r<span class="_ _3"></span>y/<span class="_ _0"></span>i<span class="_ _3"></span>n<span class="_ _7"></span>de<span class="_ _7"></span>x.h<span class="_ _7"></span>tml<span class="_ _4"> </span>4/<span class="_ _0"></span>7</div><div class="c x2 y3 w2 h8"><div class="t m0 x4 h6 y9a ff1 fs2 fc3 sc0 ls0 ws0">19.2<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">json<span class="_ _5"></span></span></span>JSON<span class="ff3">编码器和解码器</span></div><div class="t m0 x4 h6 y9b ff1 fs2 fc3 sc0 ls0 ws0">19.3<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">mailcap<span class="_ _5"></span></span></span>Mailcap<span class="ff3">文件处理</span></div><div class="t m0 x4 h6 y9c ff1 fs2 fc3 sc0 ls0 ws0">19.4<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">mailbox<span class="_ _5"></span></span></span><span class="ff3">处理各种格式的邮箱</span></div><div class="t m0 x4 h6 y9d ff1 fs2 fc3 sc0 ls0 ws0">19.5<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">mimetypes<span class="_ _5"></span></span></span><span class="ff3">将文件名映射到</span>MIME<span class="ff3">类型</span></div><div class="t m0 x4 h6 y9e ff1 fs2 fc3 sc0 ls0 ws0">19.6<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">base64<span class="_ _5"></span></span></span>Base16<span class="ff3">，</span>Base32<span class="ff3">，</span>Base64<span class="ff3">，</span>Base85<span class="ff3">数据编码</span></div><div class="t m0 x4 h6 y9f ff1 fs2 fc3 sc0 ls0 ws0">19.7<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">binhex<span class="_ _5"></span></span></span><span class="ff3">编码和解码</span>binhex4<span class="ff3">文件</span></div><div class="t m0 x4 h6 ya0 ff1 fs2 fc3 sc0 ls0 ws0">19.8<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">binascii<span class="_ _5"></span></span></span><span class="ff3">在二进制和</span>ASCII<span class="ff3">之间转换</span></div><div class="t m0 x4 h6 ya1 ff1 fs2 fc3 sc0 ls0 ws0">19.9<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">quopri<span class="_ _5"></span></span></span><span class="ff3">编码和解码</span>MIME<span class="ff3">引用的可打印数据</span></div><div class="t m0 x4 h6 ya2 ff1 fs2 fc3 sc0 ls0 ws0">19.10<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">uu<span class="_ _5"></span></span></span><span class="ff3">编码和解码</span>uuencode<span class="ff3">文件</span></div><div class="t m0 x3 h6 ya3 ff1 fs2 fc3 sc0 ls0 ws0">20.<span class="ff3">结构化标记处理工具</span></div><div class="t m0 x4 h6 ya4 ff1 fs2 fc3 sc0 ls0 ws0">20.1<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">html<span class="_ _5"></span></span></span><span class="ff3">超文本标记语言支持</span></div><div class="t m0 x4 h6 ya5 ff1 fs2 fc3 sc0 ls0 ws0">20.2<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">html.parser<span class="_ _5"></span></span></span><span class="ff3">简单的</span>HTML<span class="ff3">和</span>XHTML<span class="ff3">解析器</span></div><div class="t m0 x4 h6 ya6 ff1 fs2 fc3 sc0 ls0 ws0">20.3<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">html.entities<span class="_ _5"></span></span></span>HTML<span class="ff3">一般实体的定义</span></div><div class="t m0 x4 h6 ya7 ff1 fs2 fc3 sc0 ls0 ws0">20.4<span class="ff3">。</span>XML<span class="ff3">处理模块</span></div><div class="t m0 x4 h6 ya8 ff1 fs2 fc3 sc0 ls0 ws0">20.5<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">xml.etree.ElementTree<span class="_ _5"></span></span></span>ElementT<span class="_ _0"></span>reeXMLAPI</div><div class="t m0 x4 h6 ya9 ff1 fs2 fc3 sc0 ls0 ws0">20.6<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">xml.dom<span class="_ _5"></span></span></span><span class="ff3">文档对象模型</span>API</div><div class="t m0 x4 h6 yaa ff1 fs2 fc3 sc0 ls0 ws0">20.7<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">xml.dom.minidom<span class="_ _5"></span></span></span><span class="ff3">最小</span>DOM<span class="ff3">实现</span></div><div class="t m0 x4 h6 yab ff1 fs2 fc3 sc0 ls0 ws0">20.8<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">xml.dom.pulldom<span class="_ _5"></span></span></span><span class="ff3">支持构建部分</span>DOM<span class="ff3">树</span></div><div class="t m0 x4 h6 yac ff1 fs2 fc3 sc0 ls0 ws0">20.9<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">xml.sax<span class="_ _5"></span></span></span><span class="ff3">支持</span>SAX2<span class="ff3">解析器</span></div><div class="t m0 x4 h6 yad ff1 fs2 fc3 sc0 ls0 ws0">20.10<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">xml.sax.handler<span class="_ _5"></span></span></span>SAX<span class="ff3">处理程序的基类</span></div><div class="t m0 x4 h6 yae ff1 fs2 fc3 sc0 ls0 ws0">20.1<span class="_ _1"></span>1<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">xml.sax.saxutils<span class="_ _5"></span></span></span>SAX<span class="ff3">实用程序</span></div><div class="t m0 x4 h6 yaf ff1 fs2 fc3 sc0 ls0 ws0">20.12<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">xml.sax.xmlreader<span class="_ _5"></span></span></span>XML<span class="ff3">解析器的接口</span></div><div class="t m0 x4 h6 yb0 ff1 fs2 fc3 sc0 ls0 ws0">20.13<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">xml.parsers.expat<span class="_ _5"></span></span></span><span class="ff3">快速</span>XML<span class="ff3">解析使用</span>Expat</div><div class="t m0 x3 h6 yb1 ff1 fs2 fc3 sc0 ls0 ws0">21.<span class="ff3">互联网协议和支持</span></div><div class="t m0 x4 h6 yb2 ff1 fs2 fc3 sc0 ls0 ws0">21.1<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">webbrowser<span class="_ _5"></span></span></span><span class="ff3">方便的</span>Web<span class="ff3">浏览器控制器</span></div><div class="t m0 x4 h6 yb3 ff1 fs2 fc3 sc0 ls0 ws0">21.2<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">cgi<span class="_ _5"></span></span></span><span class="ff3">公共网关接口支持</span></div><div class="t m0 x4 h6 yb4 ff1 fs2 fc3 sc0 ls0 ws0">21.3<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">cgitb<span class="_ _5"></span></span></span>CGI<span class="ff3">脚本的跟踪管理器</span></div><div class="t m0 x4 h6 yb5 ff1 fs2 fc3 sc0 ls0 ws0">21.4<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">wsgiref<span class="_ _5"></span></span></span>WSGI<span class="ff3">实用程序和参考实现</span></div><div class="t m0 x4 h6 yb6 ff1 fs2 fc3 sc0 ls0 ws0">21.5<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">urllib<span class="_ _5"></span></span></span>URL<span class="ff3">处理模块</span></div><div class="t m0 x4 h6 yb7 ff1 fs2 fc3 sc0 ls0 ws0">21.6<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">urllib.request<span class="_ _5"></span></span></span><span class="ff3">用于打开网址的可扩展库</span></div><div class="t m0 x4 h6 yb8 ff1 fs2 fc3 sc0 ls0 ws0">21.7<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">urllib.response<span class="_ _5"></span></span></span>urllib<span class="ff3">使用的响应类</span></div><div class="t m0 x4 h6 yb9 ff1 fs2 fc3 sc0 ls0 ws0">21.8<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">urllib.parse<span class="_ _5"></span></span></span><span class="ff3">将</span>URL<span class="ff3">解析到组件中</span></div><div class="t m0 x4 h6 yba ff1 fs2 fc3 sc0 ls0 ws0">21.9<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">urllib.error<span class="_ _5"></span></span></span><span class="ff3">由</span>urllib.request<span class="ff3">引发的异常类</span></div><div class="t m0 x4 h6 ybb ff1 fs2 fc3 sc0 ls0 ws0">21.10<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">urllib.robotparser<span class="_ _5"></span></span></span><span class="ff3">解析器，用于</span>robots.txt</div><div class="t m0 x4 h6 ybc ff1 fs2 fc3 sc0 ls0 ws0">21.1<span class="_ _1"></span>1<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">http<span class="_ _5"></span></span></span>HTTP<span class="ff3">模块</span></div><div class="t m0 x4 h6 ybd ff3 fs2 fc3 sc0 ls0 ws0">。<span class="_ _5"></span><span class="ff4 fs3">http.client<span class="_ _5"></span></span><span class="ff1">HTTP</span>协议客户端</div><div class="t m0 x4 h6 ybe ff1 fs2 fc3 sc0 ls0 ws0">21.13<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">ftplib<span class="_ _5"></span></span></span>FTP<span class="ff3">协议客户端</span></div><div class="t m0 x4 h6 ybf ff1 fs2 fc3 sc0 ls0 ws0">21.14<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">poplib<span class="_ _5"></span></span></span>POP3<span class="ff3">协议客户端</span></div><div class="t m0 x4 h6 yc0 ff1 fs2 fc3 sc0 ls0 ws0">21.15<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">imaplib<span class="_ _5"></span></span></span>IMAP4<span class="ff3">协议客户端</span></div><div class="t m0 x4 h6 yc1 ff1 fs2 fc3 sc0 ls0 ws0">21.16<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">nntplib<span class="_ _5"></span></span></span>NNTP<span class="ff3">协议客户端</span></div><div class="t m0 x4 h6 yc2 ff1 fs2 fc3 sc0 ls0 ws0">21.17<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">smtplib<span class="_ _5"></span></span></span>SMTP<span class="ff3">协议客户端</span></div><div class="t m0 x4 h6 yc3 ff1 fs2 fc3 sc0 ls0 ws0">21.18<span class="_ _5"></span><span class="ff4 fs3">smtpd<span class="_ _5"></span></span>SMTP<span class="ff3">服务器</span></div><div class="t m0 x4 h6 yc4 ff1 fs2 fc3 sc0 ls0 ws0">21.19<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">telnetlib<span class="_ _5"></span></span></span>T<span class="_ _8"></span>elnet<span class="ff3">客户端</span></div><div class="t m0 x4 h6 yc5 ff1 fs2 fc3 sc0 ls0 ws0">21.20<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">uuid<span class="_ _5"></span></span></span><span class="ff3">根据</span>RFC4122<span class="ff3">的</span>UUID<span class="ff3">对象</span></div><div class="t m0 x4 h6 yc6 ff1 fs2 fc3 sc0 ls0 ws0">21.21<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">socketserver<span class="_ _5"></span></span></span><span class="ff3">网络服务器的框架</span></div><div class="t m0 x4 h6 yc7 ff1 fs2 fc3 sc0 ls0 ws0">21.22<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">http.server<span class="_ _5"></span></span></span>HTTP<span class="ff3">服务器</span></div><div class="t m0 x4 h6 yc8 ff1 fs2 fc3 sc0 ls0 ws0">21.23<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">http.cookies<span class="_ _5"></span></span></span>HTTP<span class="ff3">状态管理</span></div><div class="t m0 x4 h6 yc9 ff1 fs2 fc3 sc0 ls0 ws0">21.24<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">http.cookiejar<span class="_ _5"></span></span></span>HTTP<span class="ff3">客户端的</span>Cookie<span class="ff3">处理</span></div><div class="t m0 x4 h6 yca ff1 fs2 fc3 sc0 ls0 ws0">21.25<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">xmlrpc<span class="_ _5"></span></span></span>XMLRPC<span class="ff3">服务器和客户端模块</span></div><div class="t m0 x4 h6 ycb ff1 fs2 fc3 sc0 ls0 ws0">21.26<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">xmlrpc.client<span class="_ _5"></span></span></span>XMLRPC<span class="ff3">客户端访问</span></div><div class="t m0 x4 h6 ycc ff1 fs2 fc3 sc0 ls0 ws0">21.27<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">xmlrpc.server<span class="_ _5"></span></span></span><span class="ff3">基本</span>XMLRPC<span class="ff3">服务器</span></div><div class="t m0 x4 h6 ycd ff1 fs2 fc3 sc0 ls0 ws0">21.28<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">ipaddress<span class="_ _5"></span></span></span>IPv4/IPv6<span class="ff3">操作库</span></div><div class="t m0 x5 h7 y31 ff1 fs4 fc5 sc0 ls0 ws0">15<span class="_ _3"></span>1<span class="_ _3"></span>.<span class="_ _0"></span>1<span class="_ _3"></span>01<span class="_ _3"></span>.<span class="_ _0"></span>7<span class="_ _3"></span>2.22<span class="_ _3"></span>3</div></div><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a></div><div class="pi" data-data='{"ctm":[1.611639,0.000000,0.000000,1.611639,0.000000,0.000000]}'></div></div>
<div id="pf5" class="pf w0 h0" data-page-no="5"><div class="pc pc5 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://csdnimg.cn/release/download_crawler_static/10748570/bg5.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">2<span class="_ _0"></span>0<span class="_ _0"></span>1<span class="_ _0"></span>7<span class="_ _0"></span>/3<span class="_ _7"></span>/1<span class="_ _8"></span>1<span class="_ _2"> </span>Pyt<span class="_ _0"></span>h<span class="_ _0"></span>o<span class="_ _0"></span>n<span class="_ _0"></span><span class="ff2">标准库<span class="ff1">P<span class="_ _0"></span>yth<span class="_ _7"></span>o<span class="_ _0"></span>n<span class="_ _0"></span>3<span class="_ _7"></span>.6<span class="_ _7"></span>.1<span class="_ _0"></span>r<span class="_ _3"></span>c1<span class="_ _7"></span><span class="ff2">文档</span></span></span></div><div class="t m0 x1 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0">h<span class="_ _0"></span>tt<span class="_ _0"></span>p<span class="_ _0"></span>s:/<span class="_ _0"></span>/d<span class="_ _7"></span>o<span class="_ _0"></span>cs.p<span class="_ _7"></span>yth<span class="_ _7"></span>on<span class="_ _7"></span>.o<span class="_ _7"></span>r<span class="_ _3"></span>g<span class="_ _0"></span>/3<span class="_ _7"></span>/li<span class="_ _3"></span>b<span class="_ _7"></span>r<span class="_ _3"></span>a<span class="_ _0"></span>r<span class="_ _3"></span>y/<span class="_ _0"></span>i<span class="_ _3"></span>n<span class="_ _7"></span>de<span class="_ _7"></span>x.h<span class="_ _7"></span>tml<span class="_ _4"> </span>5/<span class="_ _0"></span>7</div><div class="c x2 y3 w2 h8"><div class="t m0 x3 h6 yce ff1 fs2 fc3 sc0 ls0 ws0">22.<span class="ff3">多媒体服务</span></div><div class="t m0 x4 h6 ycf ff1 fs2 fc3 sc0 ls0 ws0">22.1<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">audioop<span class="_ _5"></span></span></span><span class="ff3">处理原始音频数据</span></div><div class="t m0 x4 h6 yd0 ff1 fs2 fc3 sc0 ls0 ws0">22.2<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">aifc<span class="_ _5"></span></span></span><span class="ff3">读写</span>AIFF<span class="ff3">和</span>AIFC<span class="ff3">文件</span></div><div class="t m0 x4 h6 yd1 ff1 fs2 fc3 sc0 ls0 ws0">22.3<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">sunau<span class="_ _5"></span></span></span><span class="ff3">读写</span>SunAU<span class="ff3">文件</span></div><div class="t m0 x4 h6 yd2 ff1 fs2 fc3 sc0 ls0 ws0">22.4<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">wave<span class="_ _5"></span></span></span><span class="ff3">读写</span>W<span class="_ _0"></span>A<span class="_ _1"></span>V<span class="ff3">文件</span></div><div class="t m0 x4 h6 yd3 ff1 fs2 fc3 sc0 ls0 ws0">22.5<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">chunk<span class="_ _5"></span></span></span><span class="ff3">读取</span>IFF<span class="ff3">分块数据</span></div><div class="t m0 x4 h6 yd4 ff1 fs2 fc3 sc0 ls0 ws0">22.6<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">colorsys<span class="_ _5"></span></span></span><span class="ff3">颜色系统之间的转换</span></div><div class="t m0 x4 h6 yd5 ff1 fs2 fc3 sc0 ls0 ws0">22.7<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">imghdr<span class="_ _5"></span></span></span><span class="ff3">确定图像的类型</span></div><div class="t m0 x4 h6 yd6 ff1 fs2 fc3 sc0 ls0 ws0">22.8<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">sndhdr<span class="_ _5"></span></span></span><span class="ff3">确定声音文件的类型</span></div><div class="t m0 x4 h6 yd7 ff1 fs2 fc3 sc0 ls0 ws0">22.9<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">ossaudiodev<span class="_ _5"></span></span></span><span class="ff3">访问与</span>OSS<span class="ff3">兼容的音频设备</span></div><div class="t m0 x3 h6 yd8 ff1 fs2 fc3 sc0 ls0 ws0">23.<span class="ff3">国际化</span></div><div class="t m0 x4 h6 yd9 ff1 fs2 fc3 sc0 ls0 ws0">23.1<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">gettext<span class="_ _5"></span></span></span><span class="ff3">多语言国际化服务</span></div><div class="t m0 x4 h6 yda ff1 fs2 fc3 sc0 ls0 ws0">23.2<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">locale<span class="_ _5"></span></span></span><span class="ff3">国际化服务</span></div><div class="t m0 x3 h6 ydb ff1 fs2 fc3 sc0 ls0 ws0">24.<span class="ff3">方案框架</span></div><div class="t m0 x4 h6 ydc ff1 fs2 fc3 sc0 ls0 ws0">24.1<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">turtle<span class="_ _5"></span></span></span><span class="ff3">海龟图形</span></div><div class="t m0 x4 h6 ydd ff1 fs2 fc3 sc0 ls0 ws0">24.2<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">cmd<span class="_ _5"></span></span></span><span class="ff3">支持面向行的命令解释器</span></div><div class="t m0 x4 h6 yde ff1 fs2 fc3 sc0 ls0 ws0">24.3<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">shlex<span class="_ _5"></span></span></span><span class="ff3">简单的词汇分析</span></div><div class="t m0 x3 h6 ydf ff1 fs2 fc3 sc0 ls0 ws0">25.<span class="ff3">与</span>Tk<span class="ff3">的图形用户界面</span></div><div class="t m0 x4 h6 ye0 ff1 fs2 fc3 sc0 ls0 ws0">25.1<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">tkinter<span class="_ _5"></span></span></span>T<span class="_ _8"></span>cl/Tk<span class="ff3">的</span>Python<span class="ff3">接口</span></div><div class="t m0 x4 h6 ye1 ff1 fs2 fc3 sc0 ls0 ws0">25.2<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">tkinter.ttk<span class="_ _5"></span></span></span>Tk<span class="ff3">主题小部件</span></div><div class="t m0 x4 h6 ye2 ff1 fs2 fc3 sc0 ls0 ws0">25.3<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">tkinter.tix<span class="_ _5"></span></span></span>Tk<span class="ff3">的扩展小部件</span></div><div class="t m0 x4 h6 ye3 ff1 fs2 fc3 sc0 ls0 ws0">25.4<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">tkinter.scrolledtext<span class="_ _5"></span></span></span><span class="ff3">滚动文本小部件</span></div><div class="t m0 x4 h6 ye4 ff1 fs2 fc3 sc0 ls0 ws0">25.5<span class="ff3">。闲</span></div><div class="t m0 x4 h6 ye5 ff1 fs2 fc3 sc0 ls0 ws0">25.6<span class="ff3">。其他图形用户界面包</span></div><div class="t m0 x3 h6 ye6 ff1 fs2 fc3 sc0 ls0 ws0">26.<span class="ff3">发展工具</span></div><div class="t m0 x4 h6 ye7 ff1 fs2 fc3 sc0 ls0 ws0">26.1<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">typing<span class="_ _5"></span></span></span><span class="ff3">支持类型提示</span></div><div class="t m0 x4 h6 ye8 ff1 fs2 fc3 sc0 ls0 ws0">26.2<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">pydoc<span class="_ _5"></span></span></span><span class="ff3">文档生成器和在线帮助系统</span></div><div class="t m0 x4 h6 ye9 ff1 fs2 fc3 sc0 ls0 ws0">26.3<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">doctest<span class="_ _5"></span></span></span><span class="ff3">测试交互式</span>Python<span class="ff3">示例</span></div><div class="t m0 x4 h6 yea ff1 fs2 fc3 sc0 ls0 ws0">26.4<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">unittest<span class="_ _5"></span></span></span><span class="ff3">单元测试框架</span></div><div class="t m0 x4 h6 yeb ff1 fs2 fc3 sc0 ls0 ws0">26.5<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">unittest.mock<span class="_ _5"></span></span></span><span class="ff3">模拟对象库</span></div><div class="t m0 x4 h6 yec ff1 fs2 fc3 sc0 ls0 ws0">26.6<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">unittest.mock<span class="_ _5"></span></span></span><span class="ff3">入门</span></div><div class="t m0 x4 h6 yed ff1 fs2 fc3 sc0 ls0 ws0">26.7<span class="ff3">。</span>2to3<span class="ff3">自动化</span>Python2<span class="ff3">到</span>3<span class="ff3">代码翻译</span></div><div class="t m0 x4 h6 yee ff1 fs2 fc3 sc0 ls0 ws0">26.8<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">test<span class="_ _5"></span></span></span>Python<span class="ff3">的回归测试包</span></div><div class="t m0 x4 h6 yef ff1 fs2 fc3 sc0 ls0 ws0">26.9<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">test.support<span class="_ _5"></span></span></span>Python<span class="ff3">测试套件的实用程序</span></div><div class="t m0 x3 h6 yf0 ff3 fs2 fc3 sc0 ls0 ws0">调试和分析</div><div class="t m0 x4 h6 yf1 ff1 fs2 fc3 sc0 ls0 ws0">27.1<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">bdb<span class="_ _5"></span></span></span><span class="ff3">调试器框架</span></div><div class="t m0 x4 h6 yf2 ff1 fs2 fc3 sc0 ls0 ws0">27.2<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">faulthandler<span class="_ _5"></span></span></span><span class="ff3">转储</span>Python<span class="ff3">回溯</span></div><div class="t m0 x4 h6 yf3 ff1 fs2 fc3 sc0 ls0 ws0">27.3<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">pdb<span class="_ _5"></span></span></span>Python<span class="ff3">调试器</span></div><div class="t m0 x4 h6 yf4 ff1 fs2 fc3 sc0 ls0 ws0">27.4<span class="ff3">。</span>Python<span class="ff3">分析器</span></div><div class="t m0 x4 h6 yf5 ff1 fs2 fc3 sc0 ls0 ws0">27.5<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">timeit<span class="_ _5"></span></span></span><span class="ff3">测量小代码片段的执行时间</span></div><div class="t m0 x4 h6 yf6 ff1 fs2 fc3 sc0 ls0 ws0">27.6<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">trace<span class="_ _5"></span></span></span><span class="ff3">跟踪或跟踪</span>Python<span class="ff3">语句执行</span></div><div class="t m0 x4 h6 yf7 ff1 fs2 fc3 sc0 ls0 ws0">27.7<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">tracemalloc<span class="_ _5"></span></span></span><span class="ff3">跟踪内存分配</span></div><div class="t m0 x3 h6 yf8 ff1 fs2 fc3 sc0 ls0 ws0">28.<span class="ff3">软件包装和分发</span></div><div class="t m0 x4 h6 yf9 ff1 fs2 fc3 sc0 ls0 ws0">28.1<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">distutils<span class="_ _5"></span></span></span><span class="ff3">构建和安装</span>Python<span class="ff3">模块</span></div><div class="t m0 x4 h6 yfa ff1 fs2 fc3 sc0 ls0 ws0">28.2<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">ensurepip<span class="_ _5"></span></span></span><span class="ff3">引导安装<span class="_ _5"></span><span class="ff4 fs3">pip<span class="_ _5"></span></span>程序</span></div><div class="t m0 x4 h6 yfb ff1 fs2 fc3 sc0 ls0 ws0">28.3<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">venv<span class="_ _5"></span></span></span><span class="ff3">创建虚拟环境</span></div><div class="t m0 x4 h6 yfc ff1 fs2 fc3 sc0 ls0 ws0">28.4<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">zipapp<span class="_ _5"></span></span></span><span class="ff3">管理可执行的</span>pythonzip<span class="ff3">档案</span></div><div class="t m0 x3 h6 yfd ff1 fs2 fc3 sc0 ls0 ws0">29.Python<span class="ff3">运行时服务</span></div><div class="t m0 x4 h6 yfe ff1 fs2 fc3 sc0 ls0 ws0">29.1<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">sys<span class="_ _5"></span></span></span><span class="ff3">系统特定的参数和功能</span></div><div class="t m0 x4 h6 yff ff1 fs2 fc3 sc0 ls0 ws0">29.2<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">sysconfig<span class="_ _5"></span></span></span><span class="ff3">提供对</span>Python<span class="ff3">的配置信息的访问</span></div><div class="t m0 x4 h6 y100 ff1 fs2 fc3 sc0 ls0 ws0">29.3<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">builtins<span class="_ _5"></span></span></span><span class="ff3">内置对象</span></div><div class="t m0 x4 h6 y101 ff1 fs2 fc3 sc0 ls0 ws0">29.4<span class="ff3">。<span class="_ _5"></span><span class="ff4 fs3">__main__<span class="_ _5"></span></span></span><span class="ff3">顶级脚本环境</span></div><div class="t m0 x5 h7 y31 ff1 fs4 fc5 sc0 ls0 ws0">15<span class="_ _3"></span>1<span class="_ _3"></span>.<span class="_ _0"></span>1<span class="_ _3"></span>01<span class="_ _3"></span>.<span class="_ _0"></span>7<span class="_ _3"></span>2.22<span class="_ _3"></span>3</div></div><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a 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class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a><a class="l"><div class="d m1"></div></a></div><div class="pi" data-data='{"ctm":[1.611639,0.000000,0.000000,1.611639,0.000000,0.000000]}'></div></div>
