class GenericHand(object):
    def __init__(self):
        self.cards = []

class GenericDeck(GenericHand):
    pass

class GenericCard(object):
    RANKS = ['A', '2', '3', '4', '5', '6', '7', '8', '9', '10', 'J', 'Q', 'K']
    SUITS = ['c', 'd', 'h', 's']
    def __init__(self, rank, suit, face_up = True):
        self.is_face_up = face_up

    def flip(self):
        self.is_face_up = not self.is_face_up