简化Python代码(石头、纸张、剪刀)

import random

def get_user_choice():
    user_choice = input("请选择石头、纸张或剪刀：")
    return user_choice.lower()

def get_computer_choice():
    choices = ["石头", "纸张", "剪刀"]
    computer_choice = random.choice(choices)
    return computer_choice

def determine_winner(user_choice, computer_choice):
    if user_choice == computer_choice:
        return "平局"
    elif (user_choice == "石头" and computer_choice == "剪刀") or (user_choice == "纸张" and computer_choice == "石头") or (user_choice == "剪刀" and computer_choice == "纸张"):
        return "用户获胜"
    else:
        return "计算机获胜"

def play_game():
    user_choice = get_user_choice()
    computer_choice = get_computer_choice()
    print("用户选择：", user_choice)
    print("计算机选择：", computer_choice)
    winner = determine_winner(user_choice, computer_choice)
    print("结果：", winner)

play_game()