new_contents: from random import randint
  
  board = []
  
  for x in range(5):
      board.append(["O"] * 5)
  
  def print_board(board):
      for row in board:
          print " ".join(row)
  
  print "Let's play Battleship!"
  print_board(board)
  
  def random_row(board):
      return randint(0, len(board) - 1)
  
  def random_col(board):
      return randint(0, len(board[0]) - 1)
  
  ship_row = random_row(board)
  ship_col = random_col(board)
  # Everything from here on should go in your for loop!
  # Be sure to indent four spaces!
  for turn in range(4):
      guess_row = int(raw_input("Guess Row:"))
      guess_col = int(raw_input("Guess Col:"))
  
      if guess_row == ship_row and guess_col == ship_col:
          print "Congratulations! You sunk my battleship!"
          break
      else:
          if (guess_row < 0 or guess_row > 4) or (guess_col < 0 or guess_col > 4):
              print "Oops, that's not even in the ocean."
          elif(board[guess_row][guess_col] == "X"):
              print "You guessed that one already."
          else:
              print "You missed my battleship!"
              board[guess_row][guess_col] = "X"
          
      print_board(board)
      if turn==3:
          print "Game Over !!"
      else :
          print turn+1
  
subject: Create battleship.py