python写一个五子棋游戏

好的，以下是一个简单的五子棋游戏示例代码：

import os

board = [['+' for i in range(15)] for j in range(15)] # 初始化棋盘

def print_board():
    os.system('cls' if os.name == 'nt' else 'clear') # 清屏
    print("   ", end="")
    for i in range(15):
        print(chr(ord('A') + i), end=" ")
    print()
    for i in range(15):
        print("{:2d}".format(i+1), end=" ")
        for j in range(15):
            print(board[i][j], end=" ")
        print()

def is_win(x, y, c):
    count = 1
    i, j = x-1, y
    while i >= 0 and board[i][j] == c:
        count += 1
        i -= 1
    i, j = x+1, y
    while i < 15 and board[i][j] == c:
        count += 1
        i += 1
    if count >= 5:
        return True

    count = 1
    i, j = x, y-1
    while j >= 0 and board[i][j] == c:
        count += 1
        j -= 1
    i, j = x, y+1
    while j < 15 and board[i][j] == c:
        count += 1
        j += 1
    if count >= 5:
        return True

    count = 1
    i, j = x-1, y-1
    while i >= 0 and j >= 0 and board[i][j] == c:
        count += 1
        i -= 1
        j -= 1
    i, j = x+1, y+1
    while i < 15 and j < 15 and board[i][j] == c:
        count += 1
        i += 1
        j += 1
    if count >= 5:
        return True

    count = 1
    i, j = x-1, y+1
    while i >= 0 and j < 15 and board[i][j] == c:
        count += 1
        i -= 1
        j += 1
    i, j = x+1, y-1
    while i < 15 and j >= 0 and board[i][j] == c:
        count += 1
        i += 1
        j -= 1
    if count >= 5:
        return True

    return False

print_board()
player = 1
while True:
    try:
        pos = input("Player {} (x,y): ".format(player)).strip()
        if pos == 'q':
            break
        x, y = map(int, pos.split(','))
        if x < 1 or x > 15 or y < 1 or y > 15 or board[x-1][y-1] != '+':
            raise ValueError
        if player == 1:
            board[x-1][y-1] = 'O'
            if is_win(x-1, y-1, 'O'):
                print("Player 1 Win!!")
                break
            player = 2
        else:
            board[x-1][y-1] = 'X'
            if is_win(x-1, y-1, 'X'):
                print("Player 2 Win!!")
                break
            player = 1
        print_board()
    except:
        print("Invalid input!")

这个示例中，我们使用一个二维列表 `board` 来表示棋盘，初始化为全是 `+`。我们定义了一个函数 `print_board()` 来打印当前的棋盘状态，以及一个函数 `is_win()` 来判断是否有玩家获胜。

游戏的主循环中，我们让玩家交替输入落子的坐标，然后判断是否获胜，如果有一方获胜，则输出胜利信息并结束游戏。注意，输入的坐标以逗号分隔，如 `1,1` 表示第一行第一列。如果输入的坐标不合法，则输出错误信息并要求重新输入。