在 python 中执行卡片和卡片组 类

Executing card and deck classes in python

class Card:
RANKS = ['Ace', '2', '3', '4', '5', '6', '7', '8', '9', 'Jack', 'Queen', 'King']

def __init__(self, rank, suit):
    self.suit = suit
    self.rank = rank

def get_name(self):
    return Card.RANKS[self.rank - 1] + ' of ' + self.suit

def equals(self, other_card):
    if self.rank == self.other_card:
        return True
    elif self.rank != self.other_card:
        return False 

def greater_than(self, other_card):
    if self.rank > self.other_card:
        return True
    elif self.rank < self.other_card:
        return False

def less_than(self, other_card):
    if self.rank < self.other_card:
        return True
    elif self.rank > self.other_card:
        return False 


class Deck:
def __init__(self):
    self.available_cards = []
    self.dealt_cards = []
    for suit in ['Hearts', 'Spades', 'Diamonds', 'Clubs']:
        for rank in range(1, 14):
            self.available_cards.append(Card(rank, suit))

def shuffle(self):
    """
    Shuffles the cards in the deck.
    """
    import random
    return random.shuffle(self.available_cards)

def deal_card(self):
    self.available_cards.add(Card)
    self.available_cards.remove(Card)
    self.dealt_cards.append(Card)

def get_size(self):
    return len[self.available_cards]

c = Card()
print(c.available_cards)

d = Deck()
d.shuffle()
print(d.dealt_cards)

所以我在这里所做的是制作一张卡片 class 和一张卡片组 class,但我在执行时遇到了问题。我正在尝试通过洗牌来测试这两个 classes,并用它来发牌。但是当我尝试 运行 时,它不起作用。我该怎么办?

一个问题肯定是:

c = Card()
print(c.available_cards)

因为 1) Card class 的构造函数接受 2 个参数(ranksuit 和 2)卡片 class 没有有 available_cards,因此尝试访问 c.available_cards 将不起作用

所以不知道你对这两行的意图我在进一步调试中省略了它们。

现在你在做:

d = Deck()

好的,这不需要任何参数并使用标准 52 副牌中的所有牌创建一个新牌组并将 dealt_cards 初始化为 []

现在你立即打印

print(d.dealt_cards)

这当然会导致一个空列表:

print(d.dealt_cards)
>>>[]

你的本意可能是先发一些牌然后打印结果:

for i in range(4):
    d.deal_card()
print(d.dealt_cards)

然而,由于您的 deal_card 不正确,这会导致错误消息。您不想向 available_cards 添加任何内容,而是从中删除一项并将其添加到您的 dealt_cards,如下所示:

def deal_card(self):
    # self.available_cards.add(Card)
    # self.available_cards.remove(Card)
    self.dealt_cards.append(self.available_cards.pop())

现在您会注意到 print(d.dealt_cards) 不会以“漂亮”的方式输出列表中的卡片,相反您可能会看到类似这样的内容:

[<__main__.Card object at 0x00000285E8C0A978>, <__main__.Card object at 0x00000285E8C0AA58>, <__main__.Card object at 0x00000285E8C0A4E0>, <__main__.Card object at 0x00000285E8BFCF28>]

那是因为你还没有教你的脚本如何打印卡片。为此,我们向 Cards class:

添加一个方法
def __repr__(self):
    return self.get_name()

现在无论何时打印卡片实例class,我们都会得到想要的输出。

最终代码:

class Card:
    

    def __init__(self, rank, suit):
        self.suit = suit
        self.rank = rank
        self.ranks = ['Ace', '2', '3', '4', '5', '6', '7', '8', '9', '10', 'Jack', 'Queen', 'King']
    def get_name(self):
        return Card.ranks[self.rank - 1] + ' of ' + self.suit

    def equals(self, other_card):
        if self.rank == other_card.rank:
            return True
        elif self.rank != other_card.rank:
            return False

    def greater_than(self, other_card):
        if self.rank > other_card.rank:
            return True
        elif self.rank < other_card.rank:
            return False

    def less_than(self, other_card):
        if self.rank < other_card.rank:
            return True
        elif self.rank > other_card.rank:
            return False

    def __repr__(self):
        return self.get_name()


class Deck:
    def __init__(self):
        self.available_cards = []
        self.dealt_cards = []
        for suit in ['Hearts', 'Spades', 'Diamonds', 'Clubs']:
            for rank in range(1, 14):
                self.available_cards.append(Card(rank, suit))

    def shuffle(self):
        """
        Shuffles the cards in the deck.
        """
        import random
        return random.shuffle(self.available_cards)

    def deal_card(self):
        # self.available_cards.add(Card)
        # self.available_cards.remove(Card)
        self.dealt_cards.append(self.available_cards.pop())

    def get_size(self):
        return len(self.available_cards)

# c = Card()
# print(c.available_cards)

d = Deck()
d.shuffle()
for i in range(4):
    d.deal_card()
print(d.dealt_cards)
>>>[6 of Spades, Jack of Hearts, 4 of Spades, Queen of Spades]