Python实现井字棋小游戏

import os
 
def print_board(board):
 print(board['TL'] + '|' + board['TM'] + '|' + board['TR'])
 print('-+-+-')
 print(board['ML'] + '|' + board['MM'] + '|' + board['MR'])
 print('-+-+-')
 print(board['BL'] + '|' + board['BM'] + '|' + board['BR'])
 
 
def main():
 init_board = {
  'TL': ' ', 'TM': ' ', 'TR': ' ',
  'ML': ' ', 'MM': ' ', 'MR': ' ',
  'BL': ' ', 'BM': ' ', 'BR': ' '
 }
 begin = True
 while begin:
  curr_board = init_board.copy()
  begin = False
  turn = 'x'
  counter = 0
  os.system('clear')
  print_board(curr_board)
  while counter < 9:
   move = input('轮到%s走棋, 请输入位置: ' % turn)
   if curr_board[move] == ' ':
    counter += 1
    curr_board[move] = turn
    if turn == 'x':
     turn = 'o'
    else:
     turn = 'x'
   os.system('clear')
   print_board(curr_board)
  choice = input('再玩一局?(yes|no)')
  begin = choice == 'yes'
 
 
if __name__ == '__main__':
 main()