Battleship

from random import randint

def script():
  restart = raw_input("Would you like to play again?")
  if restart == "yes" or restart == "y":
    return Battleship()
  if restart == "n" or restart == "no":
    print "Goodbye."

def Battleship():
  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)
  print ship_row
  print ship_col
  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!"
      print_board(board)
      return script()
      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."
        print_board(board)
      elif(board[guess_row][guess_col] == "X"):
        print "You guessed that one already."
        print_board(board)
      else:
        print "You missed my battleship!"
        board[guess_row][guess_col] = "X"
        print_board(board)
      if turn == 3:
        print "Game Over"
        return script()
      print "Turn", turn + 1
      
Battleship()