python多线程使用

内容链接：

http://www.liaoxuefeng.com/wiki/001374738125095c955c1e6d8bb493182103fac9270762a000/001386832360548a6491f20c62d427287739fcfa5d5be1f000

http://www.runoob.com/python/python-multithreading.html

http://www.cnblogs.com/fnng/p/3670789.html