Python常用网站

http://www.pythontab.com/      Python开发者门户

http://www.liaoxuefeng.com/

https://docs.python.org/3/library/functions.html   Python官方文档

http://www.w3cschool.cc/python/att-string-index.html

http://www.cnblogs.com/yuxc/category/307122.html

http://www.cnblogs.com/itech/archive/2011/01/28/1945273.html  常用的模块

http://blog.youkuaiyun.com/column/details/py-data-analysis.html