本文实例介绍了python实现井字棋游戏的方法，分享给大家，具体内容如下

windows7下python3.4.0编译运行通过。由于采用了cmd调用，所以与Linux不兼容，无法在Linux下运行。
游戏就是井字棋，小键盘上的数字位置对应棋盘位置。

#本游戏python3.4.0下编写调试,只能在windows下运行。import randomimport subprocessimport time#定义函数def draw_board(the_board): subprocess.call("cls", shell = True) print(' -------\n' + ' |' + the_board[9] + '|' + the_board[8] + '|' + the_board[7] + '|\n' + ' -------\n' + ' |' + the_board[6] + '|' + the_board[5] + '|' + the_board[4] + '|\n' + ' -------\n' + ' |' + the_board[3] + '|' + the_board[2] + '|' + the_board[1] + '|\n' + ' -------')def input_player_letter(): letter = ' ' while not (letter == 'X' or letter == 'O'): print('请选择X或O作棋子：', end = '') letter = input().upper() if letter == 'X': return ['X', 'O'] else: return ['O', 'X']def who_first(): if 1 == random.randint(1, 2): return 'computer' else: return 'player'def is_again(): print('再一次？(Yes or No)') return input().lower().startswith('y')def is_space_free(the_board, move): return the_board[move] == ' 'def choose_random_from_list(the_board, move_from_list): possible_moves = [] for i in move_from_list: if is_space_free(the_board, i): possible_moves.append(i) if len(possible_moves) != 0: return random.choice(possible_moves) else: return Nonedef make_move(the_board, the_letter, the_move): the_board[the_move] = the_letterdef get_board_copy(the_board): duplicated_board = [] for i in board: duplicated_board.append(i) return duplicated_boarddef is_board_full(the_board): for i in range(1, 9): if is_space_free(the_board, i): return False else: return Truedef get_player_move(the_board): the_move = 0 while the_move not in list(range(1, 9)) or not is_space_free(the_board, the_move): print('请输入走步：', end = '') the_move = int(input()) return the_movedef is_winner(the_board, the_letter): return (the_board[1] == the_letter and the_board[2] == the_letter and the_board[3] == the_letter) or (the_board[4] == the_letter and the_board[5] == the_letter and the_board[6] == the_letter) or (the_board[7] == the_letter and the_board[8] == the_letter and the_board[9] == the_letter) or (the_board[1] == the_letter and the_board[5] == the_letter and the_board[9] == the_letter) or (the_board[2] == the_letter and the_board[5] == the_letter and the_board[8] == the_letter) or (the_board[3] == the_letter and the_board[5] == the_letter and the_board[7] == the_letter) or (the_board[1] == the_letter and the_board[4] == the_letter and the_board[7] == the_letter) or (the_board[2] == the_letter and the_board[5] == the_letter and the_board[8] == the_letter) or (the_board[3] == the_letter and the_board[6] == the_letter and the_board[9] == the_letter)def get_computer_move(the_board, computer_letter): global player_letter global move if player_letter == 'X': computer_letter = 'O' else: player_letter = 'O' computer_letter = 'X' #虚拟棋盘查看是否自己可一步得胜 for i in range(1,9): copy = get_board_copy(board) if is_space_free(board, i): make_move(copy, computer_letter, i) if is_winner(copy, computer_letter): return i #虚拟棋盘查看是否对手可一步得胜 for i in range(1,9): if is_space_free(board, i): copy = get_board_copy(board) make_move(copy, player_letter, i) if is_winner(copy, player_letter): return i move = choose_random_from_list(board, [1, 3, 7, 9]) if move != 0: return move if is_space_free(board, 5): return 5 return choose_random_from_list(board, [2, 4, 6, 8, 7])print('欢迎玩 井字棋 游戏！')time.sleep(1)print('''▆▅▅▅▆▅▅▅▅▅▅▅▂▅▅▅▆▆▅▅▃▂▆▅▅▅▅▅▅▅▅▆▆▆▃▂▆▆▅▃▄▆▅▂▅▆▇▇▆▆▆▄▂▆▆▆▆▆▆▆▆▅▆▅▆▅　▁▅▂▃▅▆▅▂▆▆▇▆▅▆▇▄▂▆▆▆▆▆▆▆▆▅▆▅▆▆▅　　▃▆▅▆▅▂▆▇▆▅▅▆▇▅▂▆▆▆▆▆▆▆▆▅▆▆▆▆▆▃　▁▅▆▆▄▂▇▇▆▅▅▆▇▅▁▆▆▆▆▆▆▆▆▅▆▅▆▆▃▂▃▁▁▅▆▄▂▇▇▆▅▆▇▇▅▂▆▆▆▅▅▅▅▅▅▆▅▆▃▁▅▆▃▁▁▅▅▂▆▇▆▆▇▆▆▄▂▆▅▅▅▅▅▆▆▅▆▅▆▄▅▆▆▆▄▂▂▃▃▆▆▇▇▆▆▆▅▂▆▆▆▆▆▆▆▆▆▆▅▄▄▄▄▄▄▄▄▃　▂▅▄▄▃▄▄▄▃▂▅▄▄▅▅▅▅▅▅▆▅▂▂▂▂▃▃▃▃▃▂　▁▃▂▃▃▃▃▂　▂▃▂▃▃▃▃▃▅▆▅▆▆▆▇▇▇▇▆▆▅▂▁▄▆▆▆▄▅▄▂▆▆▆▆▆▆▆▆▅▆▅▆▅▆▇▆▆▆▆▆▄▄▄　▃▆▂▂▅▄▂▆▅▅▆▅▅▆▆▅▆▅▅▆▆▇▆▅▆▇▆▄▃▆▂　▂▃▅▆▄▂▆▅▅▅▅▅▅▆▅▆▅▅▆▇▆▅▅▆▇▇▄▃▆▅▂　▃▆▅▄▂▆▅▅▅▅▅▆▆▅▆▅▅▆▇▆▅▆▆▇▆▃▂▆▄▂▂▁▃▆▅▂▆▅▅▆▆▆▆▆▅▆▅▆▆▇▆▆▇▇▆▆▄▂▄▁▄▅▂▁▂▅▂▆▅▆▆▆▆▆▆▅▆▅▅▆▆▆▇▆▆▆▆▄▁▃▄▆▆▄▂▁▁▂▆▅▅▆▆▆▆▆▅▆▅▂▂▂▂▃▂▂▂▂▂▁▃▃▃▃▂▁▁　　▂▂▂▂▂▂▃▄▅▆▆▆▆▆▅▅▅▅▅▅▄▁▅▅▅▅▄▅▅▄　▁▅▆▅▅▅▅▆▆▆▆▆▆▆▆▆▆▆▆▆▅▂▆▆▆▆▆▆▆▄▂▃▂▆▆▆▆▅▅▆▆▆▆▆▆▆▆▆▆▆▆▅▂▆▆▆▆▆▆▆▄▂▆▂▁▅▆▃▃▆▆▆▆▆▆▆▆▆▆▆▆▆▄▂▆▆▆▆▆▆▆▄▂▆▅▁▁▃▂▅▆▆▆▆▆▆▆▆▆▆▆▆▆▄▃▆▆▆▆▆▆▆▄▃▆▆▄▁　▅▇▆▅▆▆▆▆▆▆▆▆▆▆▆▄▂▆▆▆▆▆▆▆▄▃▆▆▄▁▁▁▅▆▅▆▆▆▆▆▆▆▆▆▆▆▄▂▆▆▆▆▆▆▆▄▃▆▄▂▄▃▁　▅▆▆▆▆▆▆▆▆▆▆▆▆▅▃▆▆▆▆▆▆▆▅▃▅▁▄▆▆▃▁　▄▆▆▆▆▆▆▆▆▆▆▆▅▄▆▆▆▆▆▆▆▄▃▆▅▆▆▆▆▄▃▂''')time.sleep(2)subprocess.call("cls", shell = True)while True: board = [' '] * 10 player_letter, computer_letter = input_player_letter() turn = who_first() print(turn + '先走') time.sleep(1) game_is_playing = True while game_is_playing: if turn == 'player': draw_board(board) move = get_player_move(board) make_move(board, player_letter, move) if is_winner(board, player_letter): draw_board(board) print('恭喜！你赢了。') game_is_playinig = False else: if is_board_full(board): draw_board(board) print('平局！') break else: turn = 'computer' else: move = get_computer_move(board, computer_letter) make_move(board, computer_letter, move) if is_winner(board, computer_letter): draw_board(board) print('电脑胜利，你挂了！') game_is_playing = False else: if is_board_full(board): draw_board(board) print('平局!') break else: turn = 'player' if not is_again(): break

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