|
| 1 | +import collections |
| 2 | +from random import choice |
| 3 | + |
| 4 | + |
| 5 | +Card = collections.namedtuple('Card', ['rank', 'suit']) |
| 6 | + |
| 7 | + |
| 8 | +class FrenchDeck: |
| 9 | + ranks = [str(n) for n in range(2, 11)] + list('JQKA') |
| 10 | + suits = 'spades diamonds clubs hearts'.split() |
| 11 | + |
| 12 | + def __init__(self): |
| 13 | + self._cards = [Card(rank, suit) for suit in self.suits |
| 14 | + for rank in self.ranks] |
| 15 | + |
| 16 | + def __len__(self): |
| 17 | + return len(self._cards) |
| 18 | + |
| 19 | + def __getitem__(self, position): |
| 20 | + return self._cards[position] |
| 21 | + |
| 22 | + |
| 23 | +beer_card = Card('7', 'diamonds') |
| 24 | +print(beer_card) |
| 25 | + |
| 26 | +deck = FrenchDeck() |
| 27 | +print(len(deck)) |
| 28 | +print(deck[0]) |
| 29 | +print(deck[-1]) |
| 30 | + |
| 31 | +print(choice(deck)) |
| 32 | +print(deck[:3]) |
| 33 | +print(deck[12::13]) |
| 34 | + |
| 35 | +for card in deck: |
| 36 | + print(card) |
| 37 | + |
| 38 | +for card in reversed(deck): |
| 39 | + print(card) |
| 40 | + |
| 41 | +assert Card('Q', 'hearts') in deck |
| 42 | + |
| 43 | + |
| 44 | +suit_values = dict(spades=3, hearts=2, diamonds=1, clubs=0) |
| 45 | + |
| 46 | + |
| 47 | +def spades_high(card): |
| 48 | + rank_value = FrenchDeck.ranks.index(card.rank) |
| 49 | + return rank_value * len(suit_values) + suit_values[card.suit] |
| 50 | + |
| 51 | + |
| 52 | +for card in sorted(deck, key=spades_high): |
| 53 | + print(card) |
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