== re 模块== "Some people, when confronted with a problem, think 'I know, I'll use regular expressions.' Now they have two problems. ...
== re 模块== "Some people, when confronted with a problem, think 'I know, I'll use regular expressions.' Now they have two problems. ...
==operator 模块== ``operator`` 模块为 Python 提供了一个 "功能性" 的标准操作符接口. 当使用 ``map`` 以及 ``filter`` 一类的函数的时候, ``operator`` 模块中的函数可以替换一些 ``lambda`` 函式 ...