player=input("请出拳：石头/剪刀/布")# 玩家出拳
print("玩家出拳:"+player)
import random
player=input("请出拳：石头/剪刀/布")# 玩家出拳
list=["石头","剪刀","布"]
computer=random.choice(list)
print("玩家出拳:"+player)
print("计算机出拳"+computer)
if player in list:
    if player==computer:
        print("平局")
    elif (player=="石头" and computer=="剪刀") or (player=="剪刀" and computer=="布") or (player=="布" and computer=="石头"):
        print("KO")
    else:
        print("很遗憾，你输了")
else:
    print("输入错误")