import random

def main():
    suits = ['C', 'D', 'H', 'S']
    values = ['A', '2', '3', '4', '5', '6', '7', '8', '9', 'T', 'J', 'Q', 'K']

    deck = []
    for val in values:
        for suit in suits:
            deck.append(val + suit)
    random.shuffle(deck)
    # write code here

main()
