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Deck of cards example class deck of cards implementing dunder len and getitem with named tuples
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import collections | |
Card = collections.namedtuple('Card', ['rank', 'suit']) | |
class FrenchDeck: | |
ranks = [str(n) for n in range(2, 11)] + list('JQKA') | |
suits = 'spades diamonds clubs hearts'.split() | |
def __init__(self): | |
self._cards = [Card(rank, suit) for suit in self.suits | |
for rank in self.ranks] | |
def __len__(self): | |
return len(self._cards) | |
def __getitem__(self, position): | |
return self._cards[position] |
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