import random
lst = ['石头', '剪刀', '布', '石头']
you = input('请出 [石头/剪刀/布]:')
computer = lst[random.randint(0, 2)]
print(f'你出了{you},电脑出了{computer};', end='')
if you == computer:
print('你俩平手')
elif lst[lst.index(you) + 1] == computer:
print('你赢了')
else:
print('你输了')