python第二天，python-Day02.rar

""" 字符串常用操作 Version: 0.1 Author: 骆昊 Date: 2018-02-27 """ str1 = 'hello, world!' print('字符串的长度是:', len(str1)) print('单词首字母大写: ', str1.title()) print('字符串变大写: ', str1.upper()) # str1 = str1.upper() print('字符串是不是大写: ', str1.isupper()) print('字符串是不是以hello开头: ', str1.startswith('hello')) print('字符串是不是以hello结尾: ', str1.endswith('hello')) print('字符串是不是以感叹号开头: ', str1.startswith('!')) print('字符串是不是一感叹号结尾: ', str1.endswith('!')) str2 = '- \u9a86\u660a' str3 = str1.title() + ' ' + str2.lower() print(str3)