关于python的菜鸟教程

1.正则表达式

http://www.runoob.com/regexp/regexp-metachar.html

2.python正则表达死

http://www.runoob.com/python/python-reg-expressions.html#flags

3.python内置函数

http://www.runoob.com/python/python-built-in-functions.html

4.linux教程

http://www.runoob.com/linux/linux-comm-pwd.html