old_contents: class Player(object):
      def move(self, board):
          board[1][1] = 1
          return board
  
  class Human(Player):
      def move(self, board):
          row = raw_input("Which row do you choose? ")
          col = raw_input("Which column do you choose? ")
          board[row][col] = 10
          return board
  
new_contents: class Player(object):
      def move(self, board):
          board[1][1] = 1
          return board
  
  class Human(Player):
      def move(self, board):
          row = raw_input("Which row do you choose? ")
          col = raw_input("Which column do you choose? ")
          board[row][col] = 10
          return board
  
  class Computer(Player):
      def move(self, board):
          for i in range(0, len(board)):
              if 0 in board[i]:
                  for j in range(0, len(board[i])):
                      if board[i][j] == 0:
                         board[i][j] = 1
                         break
                  break
          print board
          return board
                     
  
subject: write ugly mock algorithm for computer player