有用的网址地址

http://bbs.csdn.net/topics/390526352

python教程下载地址

http://bbs.51cto.com/thread-935214-1.html

http://down.51cto.com/data/463814

设计模式

https://blog.csdn.net/MRA__S__/article/details/60888660

https://blog.csdn.net/lovelion/article/details/7420883