import random

choices = ["石头", "剪刀", "布"]

# 用户输入

user_choice = input("请输入（石头/剪刀/布）：")

if user_choice not in choices:

print("输入无效，请选择石头、剪刀或布。")

else:

# 计算机随机选择

computer_choice = random.choice(choices)

print(f"计算机选择了：{computer_choice}")

# 判断输赢

if user_choice == computer_choice:

print("平局！")

elif (user_choice == "石头" and computer_choice == "剪刀") or \

(user_choice == "剪刀" and computer_choice == "布") or \

(user_choice == "布" and computer_choice == "石头"):

print("你赢了！🎉")

else:

print("你输了！😢")