python 21点王牌问题打破了我的代码

import random

def create_deck():
    suits = ['红桃', '方块', '梅花', '黑桃']
    ranks = ['A', '2', '3', '4', '5', '6', '7', '8', '9', '10', 'J', 'Q', 'K']
    deck = [(suit, rank) for suit in suits for rank in ranks]
    return deck

def calculate_score(hand):
    score = 0
    ace_count = 0
    for card in hand:
        rank = card[1]
        if rank.isdigit():
            score += int(rank)
        elif rank in ['J', 'Q', 'K']:
            score += 10
        elif rank == 'A':
            score += 11
            ace_count += 1
    
    while score > 21 and ace_count > 0:
        score -= 10
        ace_count -= 1
    
    return score

def play_game():
    deck = create_deck()
    random.shuffle(deck)
    
    player_hand = [deck.pop(), deck.pop()]
    dealer_hand = [deck.pop(), deck.pop()]
    
    player_score = calculate_score(player_hand)
    dealer_score = calculate_score(dealer_hand)
    
    game_over = False
    
    while not game_over:
        print(f"玩家手牌: {player_hand}, 点数总和: {player_score}")
        print(f"庄家首张牌: {dealer_hand[0]}")
        
        if player_score == 21 or dealer_score == 21 or player_score > 21:
            game_over = True
        else:
            should_continue = input("是否继续抽牌？(y/n): ")
            if should_continue == 'y':
                player_hand.append(deck.pop())
                player_score = calculate_score(player_hand)
            else:
                game_over = True
    
    while dealer_score < 17 and player_score <= 21:
        dealer_hand.append(deck.pop())
        dealer_score = calculate_score(dealer_hand)
    
    print(f"玩家手牌: {player_hand}, 点数总和: {player_score}")
    print(f"庄家手牌: {dealer_hand}, 点数总和: {dealer_score}")
    
    if player_score > 21:
        print("玩家输了！")
    elif dealer_score > 21:
        print("玩家赢了！")
    elif player_score == dealer_score:
        print("平局！")
    elif player_score > dealer_score:
        print("玩家赢了！")
    else:
        print("玩家输了！")

play_game()