python实现井字棋游戏

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 random
import subprocess
import 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 None
def make_move(the_board, the_letter, the_move):
the_board[the_move] = the_letter
def get_board_copy(the_board):
duplicated_board = []
for i in board:
duplicated_board.append(i)
return duplicated_board
def is_board_full(the_board):
for i in range(1, 9):
if is_space_free(the_board, i):
return False
else:
return True
def 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_move
def 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('''▆▅▅▅▆▅▅▅▅▅▅▅▂▅▅▅▆▆▅▅▃▂▆▅▅▅▅▅▅▅▅
▆▆▆▃▂▆▆▅▃▄▆▅▂▅▆▇▇▆▆▆▄▂▆▆▆▆▆▆▆▆▅
▆▅▆▅▁▅▂▃▅▆▅▂▆▆▇▆▅▆▇▄▂▆▆▆▆▆▆▆▆▅
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▆▆▆▆▆▆▆▆▆▆▆▅▄▆▆▆▆▆▆▆▄▃▆▅▆▆▆▆▄▃▂''')
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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