Twenty-one

The player plays the card game against the machine.
Two cards are dealt and you can request a card one at a time.The value of the cards in hand must add up to reach or reach 21 points, but cannot be exceeded, except for two aces, which is the best in this game.
You have to reach 17 for the value of your cards, but 22 is already a lot.The cards are dealt randomly, the algorithm does not tell the players cards to the machine.The value of the tabs is as follows: ace: 11 points king: 4 points upper: 3 points lower: 2 points tenths (X): 10 points nine (IX): 9 points eight (VIII): 8 points seven (VII): 7 points