def ask_computer_for_card(player_hand, computer_hand):
choice = "7"
for card in computer_hand:
card_split = card.split()
if card_split[0] == choice:
player_hand.append(card)
computer_hand.remove(card)
computer_hand = ["7 of Hearts", "7 of Spades", "4 of Diamonds"]
player_hand = []
ask_computer_for_card(player_hand, computer_hand)
print player_hand, computer_hand
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