a = input("请输入：剪刀（0）、石头（1）、布（2）：")
b = int(a)
if b == 0:
user = "剪刀"
print("你出的是%s" % user)
elif b == 1:
user = "石头"
print("你出的是%s" % user)
elif b == 2:
user = "布"
print("你出的是%s" %user)
while b != 0 and b != 1 and b != 2:
print("请重新输入正确的数字！")
b = int(input("请输入：剪刀（0）、石头（1）、布（2）："))
if b == 0:
user = "剪刀"
elif b == 1:
user = "石头"
elif b == 2:
user = "布"
else:
continue
print("你出的是%s" %user)
else:
c = random.randint(0, 2)
if c == 0:
computer = "剪刀"
elif c == 1:
computer = "石头"
else:
computer = "布"
print("电脑出的是%s" %computer)
if b == c:
print("平局！")
elif b == 0 and c == 2 or b == 1 and c ==0 or b ==2 and c == 1:
print("你赢了！")
else:
print("你输了！")
运行结果如下：
