1216. Define a card suit
You get any card as an argument. Your task is to return the suit of this card (in lowercase). Our deck (is preloaded): DECK = ['2S','3S','4S','5S','6S','7S','8S','9S','10S','JS','QS','KS','AS', '2D','3D','4D','5D','6D','7D','8D','9D','10D','JD','QD','KD','AD', '2H','3H','4H','5H','6H','7H','8H','9H','10H','JH','QH','KH','AH', '2C','3C','4C','5C','6C','7C','8C','9C','10C','JC','QC','KC','AC'] ('3..