rpsls游戏"(python)错误:无法连接'str‘和'int’对象

# rpsls游戏示例代码
import random

def rpsls(player_choice):
    # 生成电脑随机选择
    computer_choice = random.choice(['石头', '剪刀', '布', '蜥蜴', '斯波克'])

    # 判断胜负
    if player_choice == computer_choice:
        result = "平局"
    elif (player_choice == '石头' and (computer_choice == '剪刀' or computer_choice == '蜥蜴')) or \
         (player_choice == '剪刀' and (computer_choice == '布' or computer_choice == '蜥蜴')) or \
         (player_choice == '布' and (computer_choice == '石头' or computer_choice == '斯波克')) or \
         (player_choice == '蜥蜴' and (computer_choice == '布' or computer_choice == '斯波克')) or \
         (player_choice == '斯波克' and (computer_choice == '石头' or computer_choice == '剪刀')):
        result = "玩家胜利"
    else:
        result = "电脑胜利"

    # 输出结果
    print("玩家选择：", player_choice)
    print("电脑选择：", computer_choice)
    print("结果：", result)

# 测试代码
player_choice = input("请输入你的选择（石头、剪刀、布、蜥蜴、斯波克）：")
rpsls(player_choice)