Battleship in Python

battleship.py

from random import randint

# build a 5x5 board of Os
board = []
for x in range(5):
  board.append(["O"] * 5)

def print_board(board):
  for row in board:
    print " ".join(row)

print_board(board)

# place a battleship
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)

# check guess against battleship location
for turn in range(4):
  print "Turn", turn + 1
  guess_row = int(raw_input("Guess Row: "))
  guess_col = int(raw_input("Guess Col: "))
  
  # if guess matches position
  if guess_row == ship_row and guess_col == ship_col:
    print "Congratulations! You sunk my battleship!"
    break
  # if guess doesn't match position
  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"