'''
Design the data structures for a generic deck of cards. Explain how you would subclass the data structures to implement blackjack.

Hints: 153, 275
'''


def deck_of_cards(s):
    pass

if __name__ == '__main__':
    assert deck_of_cards('') ==
    assert deck_of_cards('') ==
    assert deck_of_cards('') ==
    assert deck_of_cards('') ==
    assert deck_of_cards('') ==
