用Python写剪刀石头布小游戏

#!/usr/bin/env python#coding:utf8import randomS="石头"J="剪刀"B="布"allList = [S,J,B]ManWinList = ([S,J],[J,B],[B,S])MAN = raw_input("请输入石头、剪刀、布:")PC = random.choice(allList)if MAN not in allList:    print ("出手错误，退出游戏")    exit()print ("电脑出了："),PCif MAN==PC:    print ("平手！")elif [MAN,PC] in ManWinList:    print ("你赢了！")else:    print ("你输了！")