编写程序，实现简单的三子棋游戏。在三子棋中，双方在3*3的棋盘中轮流下棋，一方用*表示，另一方用O表示。如果一方的3个棋子占据了同一行，同一列或者对角线，则该方获胜。如果棋盘已被棋子占满，但没有一方获胜则出现平局。在程序中，一方为用户，用户在界面上输入每次下棋的位置；另一方下棋的位置为随机自动生成。-Programming, the third son of simple chess game. In three sub-chess, the two sides in the 3* 3 chess board in rotation, one with* that the other party with O said. If one of the three pieces occupy the same row, same column or diagonal, the party won. If the board has been filled pieces, but no party wins is a tie. In the program, one for the user, the user interface, enter the location of each game of chess　other random chess position automatically.