九步python五子棋

好的，以下是九步Python五子棋的代码：

import numpy as np

def create_board():
    board = np.zeros((15,15))
    return board

def place(board, player, position):
    if board[position] == 0:
        board[position] = player
    return board

def possibilities(board):
    positions = np.where(board == 0)
    return list(zip(positions[0], positions[1]))

def random_place(board, player):
    selections = possibilities(board)
    if len(selections) > 0:
        position = selections[np.random.randint(len(selections))]
        board = place(board, player, position)
    return board

def row_win(board, player):
    for i in range(15):
        if np.all(board[i,:] == player):
            return True
    return False

def col_win(board, player):
    for i in range(15):
        if np.all(board[:,i] == player):
            return True
    return False

def diag_win(board, player):
    if np.all(board.diagonal() == player):
        return True
    if np.all(np.fliplr(board).diagonal() == player):
        return True
    return False

def evaluate(board):
    winner = 0
    for player in [1,2]:
        if (row_win(board, player) or col_win(board,player) or diag_win(board,player)):
            winner = player
    if np.all(board != 0) and winner == 0:
        winner = -1
    return winner

def play_game():
    board = create_board()
    winner = 0
    while winner == 0:
        for player in [1,2]:
            board = random_place(board, player)
            winner = evaluate(board)
            if winner != 0:
                break
    return winner

print(play_game())