小甲鱼Python个人笔记（py格式）

Python 3.3.2 (v3.3.2:d047928ae3f6, May 16 2013, 00:03:43) [MSC v.1600 32 bit (Intel)] on win32 Type "copyright", "credits" or "license()" for more information. >>> #小甲鱼Python第22集 >>> #递归 >>> import sys >>> sys.setrecursionlimit(10)#设置递归层数 >>> ---------------------------------------- Unhandled server exception! Thread: SockThread Client Address: ('127.0.0.1', 50810) Request: <socket.socket object, fd=356, family=2, type=1, proto=0> Traceback (most recent call last): File "E:\Python33\lib\socketserver.py", line 306, in _handle_request_noblock self.process_request(request, client_address) File "E:\Python33\lib\socketserver.py", line 332, in process_request self.finish_request(request, client_address) File "E:\Python33\lib\socketserver.py", line 345, in finish_request self.RequestHandlerClass(request, client_address, self) File "E:\Python33\lib\idlelib\rpc.py", line 511, in __init__ socketserver.BaseRequestHandler.__init__(self, sock, addr, svr) File "E:\Python33\lib\socketserver.py", line 666, in __init__ self.handle() File "E:\Python33\lib\idlelib\run.py", line 306, in handle rpc.RPCHandler.getresponse(self, myseq=None, wait=0.05) File "E:\Python33\lib\idlelib\rpc.py", line 288, in getresponse response = self._getresponse(myseq, wait) File "E:\Python33\lib\idlelib\rpc.py", line 308, in _getresponse response = self.pollresponse(myseq, wait) File "E:\Python33\lib\idlelib\rpc.py", line 432, in pollresponse message = self.pollmessage(wait) File "E:\Python33\lib\idlelib\rpc.py", line 384, in pollmessage packet = self.pollpacket(wait) File "E:\Python33\lib\idlelib\rpc.py", line 356, in pollpacket if len(r) == 0: RuntimeError: maximum recursion depth exceeded in comparison *** Unrecoverable, server exiting! ---------------------------------------- ================================ RESTART ================================ >>> sys.setrecursionlimit(100)#设置递归层数 Traceback (most recent call last): File "<pyshell#4>", line 1, in <module> sys.setrecursionlimit(100)#设置递归层数 NameError: name 'sys' is not defined >>> import sys >>> sys.setrecursionlimit(100)#设置递归层数 >>> def recursiontest(): return recursiontest() >>> recursiontest() Traceback (most recent call last): File "<pyshell#10>", line 1, in <module> recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pyshell#9>", line 2, in recursiontest return recursiontest() File "<pysh