BlackJack is a simulated casino card game, the game has five players;
dealer, 3 other virtual players and you, Initially the dealer and each
player receives two cards in turn from top of the deck, with each hand
for the player's eyes only; Numeric cards are their card value and
face cards are 10; and ace is worth 1 or 11. The player's goal is to
reach 21 without busting means going over 21.