五子棋游戏，游戏开始要求: 输出以下棋盘，然后提示黑方和白方下子，玩家从命令行输入: af，表示在 af坐标落子，其中黑方的子用@表示，白方子用O表示，每一方有一方落子，则要重新输出棋盘的状态，程序还要求能判断某一方获胜并终止程序。五子棋获胜条件: 4 个方向 (上下，左右，左上右下，右上左下)判断是否满足 5个棋子都是一样的棋子。

好的，我可以帮你实现这个游戏。首先，我们需要定义一个棋盘的二维数组，表示每个位置的状态。然后，我们可以编写一个函数来输出当前的棋盘状态。接下来，我们需要编写一个函数来判断某一方是否获胜，具体实现方式是检查每个位置的上下左右、左上右下、右上左下三个方向是否有五个连续的相同棋子。最后，我们需要编写一个循环，让黑方和白方交替下棋，每次下完棋后判断是否有人获胜，如果有则结束游戏。

下面是具体的实现代码：

# 定义棋盘大小
BOARD_SIZE = 15

# 定义棋盘二维数组
board = [['+' for x in range(BOARD_SIZE)] for y in range(BOARD_SIZE)]

# 输出棋盘状态
def print_board():
    print(' ', end='')
    for i in range(BOARD_SIZE):
        print(chr(ord('a') + i), end='')
    print()
    for i in range(BOARD_SIZE):
        print(i+1, end='')
        for j in range(BOARD_SIZE):
            print(board[i][j], end='')
        print()

# 检查某一方是否获胜
def check_win(player):
    # 检查横向
    for i in range(BOARD_SIZE):
        for j in range(BOARD_SIZE-4):
            if board[i][j] == player and board[i][j+1] == player and board[i][j+2] == player and board[i][j+3] == player and board[i][j+4] == player:
                return True
    # 检查纵向
    for i in range(BOARD_SIZE-4):
        for j in range(BOARD_SIZE):
            if board[i][j] == player and board[i+1][j] == player and board[i+2][j] == player and board[i+3][j] == player and board[i+4][j] == player:
                return True
    # 检查左上右下
    for i in range(BOARD_SIZE-4):
        for j in range(BOARD_SIZE-4):
            if board[i][j] == player and board[i+1][j+1] == player and board[i+2][j+2] == player and board[i+3][j+3] == player and board[i+4][j+4] == player:
                return True
    # 检查右上左下
    for i in range(4, BOARD_SIZE):
        for j in range(BOARD_SIZE-4):
            if board[i][j] == player and board[i-1][j+1] == player and board[i-2][j+2] == player and board[i-3][j+3] == player and board[i-4][j+4] == player:
                return True
    return False

# 开始游戏
print_board()
player = '@'
while True:
    move = input(player + ' makes a move (e.g. af): ')
    x = ord(move[0]) - ord('a')
    y = int(move[1:]) - 1
    if x < 0 or x >= BOARD_SIZE or y < 0 or y >= BOARD_SIZE or board[y][x] != '+':
        print('Invalid move!')
        continue
    board[y][x] = player
    print_board()
    if check_win(player):
        print(player + ' wins!')
        break
    player = '@' if player == 'O' else 'O'

当你运行这段代码时，会出现一个棋盘，并提示黑方下棋。你可以输入类似于“af”这样的坐标来落子。程序会输出新的棋盘状态，并提示另一方下棋。当一方获胜时，程序会输出获胜信息并结束游戏。