Python三子棋游戏

由python编写的三子棋游戏

#main program begins here
while True:
    i=0
    while (i<3):
        print(mark[board[i * 3]],mark[board[i * 3 1]], mark[board[i * 3 2]])
        i =1

    if checkcircle():
        print("Player1 wins!")
        break
    elif checkcross():
        print("Player2 wins!")
        break
    elif checkfull():
        print("It's a draw.")
        break

    while True:
        while True:
            y =int(input("line:"))
            if 1 <= y <= 3:
                break
            else:
                print("The inputshould between 1 and 3")
        while True:
            x =int(input("column:"))
            if 1 <= x <= 3:
                break
            else:
                print("The inputshould between 1 and 3")
        if board[y*3-4 x] == 1 orboard[y*3-4 x] == 2:
            print("No place at thisposition.")
        else:
            break
    if j > 1:
        j = 0
    if j == 0:
        circlebd(y, x)
    elif j == 1:
        crossbd(y, x)
    j =1