说明：  扑克游戏Pitch的发牌和Bid部分实现，主要应用了随机数功能，暂未实现主要游戏部分。
( Details about the program and main assumptions * * This program accepts bids from players. Each bid must between 2 to 4, or 0 to pass. * If nobody bids, the game will be passed in. * * This project only completes the main part of dealing. The method of randomly choosing * cards makes it possible for the same card to appear more than once, as if we shuffled together * many decks of cards, and dealt from that merged deck. This will be fixed in Project 2. * * The number of players is between 2 to 7.)