gexiaobaoHelloWorld的专栏

level1：http://segmentfault.com/game/level2：http://segmentfault.com/game/?k=b847016148bcd5947672ebc11b2c9f5c level3：http://segmentfault.com/game/?k=6ef005878dfb50c329ac559a77943b7a        观察密码规律，

http://wiki.pythonchallenge.com/index.php?title=Main_Page/home/admin/---/pythonRiddlelevel 0 http://www.pythonchallenge.com/pc/def/0.html>>> 2**38274877906944level 1http://www.pytho