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/---/pythonRiddle level 0  http://www.pythonchallenge.com/pc/def/0.html >>> 2**38 274877906944 level 1 http://www.pytho