在发第二张牌之前给每个玩家发一张牌- Python中的二十一点游戏

import random

# 定义牌的点数和花色
ranks = ['A', '2', '3', '4', '5', '6', '7', '8', '9', '10', 'J', 'Q', 'K']
suits = ['♠', '♣', '♥', '♦']

# 创建一副完整的扑克牌
deck = [(rank, suit) for rank in ranks for suit in suits]

# 计算牌的点数
def get_card_value(card):
    rank = card[0]
    if rank in ['J', 'Q', 'K']:
        return 10
    elif rank == 'A':
        return 11
    else:
        return int(rank)

# 发牌
def deal_card():
    return deck.pop(random.randint(0, len(deck)-1))

# 计算手牌点数
def calculate_hand_value(hand):
    value = sum(get_card_value(card) for card in hand)
    # 如果点数超过21且手牌中有A，则将A的点数改为1
    if value > 21 and 'A' in [card[0] for card in hand]:
        value -= 10
    return value

# 游戏主循环
def play_game():
    player_hand = [deal_card(), deal_card()]
    dealer_hand = [deal_card(), deal_card()]

    # 玩家回合
    while True:
        print("玩家手牌:", player_hand)
        print("庄家手牌:", [dealer_hand[0], '??'])
        choice = input("是否要牌？(y/n): ")
        if choice.lower() == 'y':
            player_hand.append(deal_card())
            if calculate_hand_value(player_hand) > 21:
                print("玩家爆牌，庄家获胜！")
                return
        else:
            break

    # 庄家回合
    while calculate_hand_value(dealer_hand) < 17:
        dealer_hand.append(deal_card())

    # 判断胜负
    player_value = calculate_hand_value(player_hand)
    dealer_value = calculate_hand_value(dealer_hand)
    print("玩家手牌:", player_hand)
    print("庄家手牌:", dealer_hand)
    if player_value > 21:
        print("玩家爆牌，庄家获胜！")
    elif dealer_value > 21:
        print("庄家爆牌，玩家获胜！")
    elif player_value > dealer_value:
        print("玩家获胜！")
    elif player_value < dealer_value:
        print("庄家获胜！")
    else:
        print("平局！")

# 开始游戏
play_game()