写一个基于python的五子棋人机对战游戏代码

好的，非常感谢您的提问。以下是基于 Python 的五子棋人机对战游戏代码:

import numpy as np

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

def is_valid_move(board, row, col):
    return board[row][col] == 0

def place_piece(board, row, col, piece):
    board[row][col] = piece

def is_win(board, piece):
    # Check horizontal locations
    for c in range(11):
        for r in range(15):
            if board[r][c] == piece and board[r][c+1] == piece and board[r][c+2] == piece and board[r][c+3] == piece and board[r][c+4] == piece:
                return True

    # Check vertical locations
    for c in range(15):
        for r in range(11):
            if board[r][c] == piece and board[r+1][c] == piece and board[r+2][c] == piece and board[r+3][c] == piece and board[r+4][c] == piece:
                return True

    # Check diagonal locations
    for c in range(11):
        for r in range(11):
            if board[r][c] == piece and board[r+1][c+1] == piece and board[r+2][c+2] == piece and board[r+3][c+3] == piece and board[r+4][c+4] == piece:
                return True

    for c in range(11):
        for r in range(4, 15):
            if board[r][c] == piece and board[r-1][c+1] == piece and board[r-2][c+2] == piece and board[r-3][c+3] == piece and board[r-4][c+4] == piece:
                return True

    return False

def minimax(board, depth, alpha, beta, maximizingPlayer, piece):
    if depth == 0:
        return None, evaluate(board, piece)

    if maximizingPlayer:
        value = float('-inf')
        best_move = None
        for col in range(15):
            for row in range(15):
                if is_valid_move(board, row, col):
                    board_copy = board.copy()
                    place_piece(board_copy, row, col, piece)
                    new_score = minimax(board_copy, depth-1, alpha, beta, False, piece)
                    if new_score[1] > value:
                        value = new_score[1]
                        best_move = (row, col)
                    alpha = max(alpha, value)
                    if alpha >= beta:
                        break
        return best_move, value

    else:
        value = float('inf')
        best_move = None
        for col in range(15):
            for row in range(15):
                if is_valid_move(board, row, col):
                    board_copy = board.copy()
                    place_piece(board_copy, row, col, 3 - piece)
                    new_score = minimax(board_copy, depth-1, alpha, beta, True, piece)
                    if new_score[1] < value:
                        value = new_score[1]
                        best_move = (row, col)
                    beta = min(beta, value)
                    if beta <= alpha:
                        break
        return best_move, value

def evaluate(window, piece):
    score = 0
    opp_piece = 3 - piece

    if np.count_nonzero(window == piece) == 5:
        score += 100
    elif np.count_nonzero(window == piece) == 4 and np.count_nonzero(window == 0) == 1:
        score += 10
    elif np.count_nonzero(window == piece) == 3 and np.count_nonzero(window == 0) == 2:
        score += 5
    if np.count_nonzero(window == opp_piece) == 4 and np.count_nonzero(window == 0) == 1:
        score -= 6

    return score

board = create_board()
game_over = False
turn = 1
depth = 4

while not game_over:
    if turn == 1:
        row, col = input("请输入你的下棋坐标（如：0,0）：").split(",")
        row = int(row)
        col = int(col)
        if is_valid_move(board, row, col):
            place_piece(board, row, col, turn)
            turn = 3 - turn
        else:
            print("该坐标已有棋子，请重新输入")
            continue
    else:
        best_move, value = minimax(board, depth, float('-inf'), float('inf'), True, turn)
        print("AI下棋坐标：", best_move)
        place_piece(board, best_move[0], best_move[1], turn)
        turn = 3 - turn

    if is_win(board, 1):
        print("恭喜你，你赢了！")
        game_over = True
    elif is_win(board, 2):
        print("AI获胜！")
        game_over = True
    elif np.count_nonzero(board == 0) == 0:
        print("平局！")
        game_over = True

请确认是否满足您的需求。如果您有任何疑问，请随时联系我。