Two battleships python


Hi everyone,
I was trying to add another piece to my battleship, and to make it easier, i wanted to have an “X” on the spot where the battleship would be, so, I did the same thing as I did with showing the place where you guessed: board[guess_row][guess_col], and i changed ship_row and ship_col into integers, because I thought that might have something to do with it. It doesn’t show an arrow, but it also doesn’t display the “X”.
Thanks in advance

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!"

def random_row(board):
    return randint(0, len(board) - 1)

def random_col(board):
    return randint(0, len(board[0]) - 1)

ship_row = int(random_row(board))
ship_col = int(random_col(board))
board[ship_row][ship_col] = "X"
print ship_row
print ship_col
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_row == ship_row and guess_col == ship_col:
      print "Congratulations! You sunk my battleship!"
      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."
          if turn == 3:
            print "Game Over"
      elif(board[guess_row][guess_col] == "X"):
        print "You guessed that one already."
        if turn == 3:
            print "Game Over"
        print "You missed my battleship!"
        board[guess_row][guess_col] = "X"
      if turn == 3:
          print "Game Over"


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