Python井字游戏

 import sys

 def print_board():
     for i in range(3):
         for j in range(3):
             print map[2 - i][j],
             if j != 2:
                 print '|',
         print ''

 def check_done():
     for i in range(3):
         if map[i][0] == map[i][1] == map[i][2] != ' ' or map[0][i] == map[1][i] == map[2][i] != ' ':
             print turn, "Won!!!"
             return True

     if map[0][0] == map[1][1] == map[2][2] != ' ' or map[0][2] == map[1][1] == map[2][0] != ' ':
         print turn, "Won!!!"
         return True

     if ' ' not in map[0] and ' ' not in map[1] and ' ' not in map[2]:
         print "Draw"
         return True

     return False

 turn = 'X'
 done = False
 map = [[' ', ' ', ' '],
         [' ', ' ', ' '],
         [' ', ' ', ' ']]
 print "Please select position by typing in a number between 1 and 9, see below for which number that is which position..."
 print "7|8|9"
 print "4|5|6"
 print "1|2|3"
 print_board()
 while done != True:
     print turn + "'s turn"
     try:
         pos = input("Select: ")
         if 1 <= pos <= 9:
             X = (pos - 1) / 3
             Y = (pos - 1) % 3
             if map[X][Y] == ' ':
                 map[X][Y] = turn
                 print_board()
                 done = check_done()
                 if done == False:
                     if turn == 'X':
                         turn = 'O'
                     else:
                         turn = 'X'
     except:
         print "You need to add a numeric value"