from random import shuffle

class Card:
    values = (
        "Ace", "2", "3", "4", "5", "6", "7", "8", "9", "10", "Jack", "Queen", "King"
    )
    suits = (
        "Spade", "Club", "Diamond", "Heart"
    )

    @staticmethod
    def generate_deck():
        cards = []

        for value in Card.values:
            for suit in Card.suits:
                cards.append(Card(value, suit))

        return cards

    def __init__(self, value, suit):
        self.value = value
        self.suit = suit

    def __repr__(self):
        return "{}_{}".format(self.value, self.suit)


card_deck = Card.generate_deck()
shuffle(card_deck)
for card in card_deck:
    print(card)