模拟21点扑克牌游戏，玩家最多可以要5张牌，但如果牌的点数之和超过21，则自动出局；在不超过21点的情况下，玩家与庄家比牌的点数的大小，大者为赢家。-Simulation game, players playing CARDS 21 points at up to five CARDS, but if the sum of the card more than 21 points, the automatic out　In not more than 21 points, with the player than card of the points of banker size for a winner. Great,