小游戏-石头剪刀布

from random import randint
aList = [1,2,3] # 1-石头，2-剪刀，3-布
bList = ['','石头','剪刀','布']
while True:
    computer = aList[randint(0,2)]    #电脑模拟出拳
    player = int(input("玩家输入： ")) #玩家出拳
    if computer == player:
        print ("平局\t 玩家输入{}\t电脑输入{}".format(bList[player],bList[computer]))
        continue #平局就重新开始
    elif computer -player == -1 or computer - player == 2:#石头-剪刀；剪刀-布；布-石头为电脑赢
        print ("电脑赢\t 玩家输入{}\t电脑输入{}".format(bList[player],bList[computer]))
        break
    else:#其余情况玩家赢
        print ('玩家赢\t 玩家输入{}\t电脑输入{}'.format(bList[player],bList[computer]))
        break