from collections import namedtuple, abc Card = namedtuple('Card', ['rank', 'suit']) class FrenchDeck2(abc.MutableSequence): 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] def __setitem__(self, position, value): # <1> self._cards[position] = value def __delitem__(self, position): # <2> del self._cards[position] def insert(self, position, value): # <3> self._cards.insert(position, value)