Why do I get a list index out of range error?

Frequently Asked Questions Python FAQ
21

@josephill The problem with your code is the indentation
after your:

    else:
      print "You missed my battleship!"
  board[guess_row][guess_col] = "X"
  print_board(board)

You ignored the indentation so python is using it for your previous else
I did the mistake and got the error but after indenting it right it’s gone.
The right indentation

else:
      print "You missed my battleship!"
      board[guess_row][guess_col] = "X"
      print_board(board)
22

I guess I am a little slow on the uptake here. Made it to the test run section of the lesson.
Only to be stumped by testing the code, where do I put my guesses?

23

in the console, on the right