card.py

import random233

class Card:
    suit_names = ['Clubs', 'Diamonds', 'Hearts', 'Spades']
    rank_names = [None, 'Ace', '2', '3', '4', '5', '6', '7', '8', '9', '10', 'Jack', 'Queen', 'King']

    def __init__(self, suit=0, rank=2):
        self.suit = suit
        self.rank = rank

    def __str__(self):
        return '%s of %s' % (Card.rank_names[self.rank],Card.suit_names[self.suit])

    def __lt__(self, other):
        t1 = self.suit, self.rank
        t2 = other.suit, other.rank
        return t1 < t2


class Deck:
    def __init__(self):
        self.cards = []
        for suit in range(4):
            for rank in range(1, 14):
                card = Card(suit, rank)
                self.cards.append(card)

    def __str__(self):
        res = []
        for card in self.cards:
            res.append(str(card))
        return '\n'.join(res)

    def pop_card(self):
        return self.cards.pop()

    def add_card(self, card):
        self.cards.append(card)  #A method like this that uses another method without doing much work is sometimes called a veneer

    def shuffle(self):
        random233.shuffle(self.cards)

    def move_cards(self, hand, num):
        for i in range(num):
            hand.add_card(self.pop_card())


class Hand(Deck):
    def __init__(self, label=''):
        self.cards = []
        self.label = label


card1 = Card(2, 11)
card2 = Card(2, 13)
deck = Deck()
hand = Hand('new hand')

print("printing deck....")
print(deck , '\n')
card = deck.pop_card()
hand.add_card(card)
print(hand)
print(card1 < card2)
print(hand.label)
print(hand.cards)