https://repl.it/C9t0/0 created by windhowl1

C9t0-0.py

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):
    print "Turn", turn + 1
    guess_row = int(raw_input("Guess Row:"))
    guess_col = int(raw_input("Guess Col:"))
    row = guess_row - 1
    col = guess_col - 1
    if row == ship_row and col == ship_col:
        print "Congratulations! You sunk my battleship!"
        break
    else:
        if (guess_row < 0 or guess_row > 5) or (guess_col < 0 or guess_col > 5):
            print "Oops, that's not even in the ocean."
        elif(board[row][col] == "X"):
            print "You guessed that one already."
        else:
            print "You missed my battleship!"
            board[row][col] = "X"
    print_board(board)
if turn == 3:
    print "Game Over"
    
    

C9t0-0_console_dump.txt

Python 2.7.10 (default, Jul 14 2015, 19:46:27)
[GCC 4.8.2] on linux
>>> Let's play Battleship!
Traceback (most recent call last):
  File "python", line 13, in <module>
  File "python", line 10, in print_board
TypeError: list indices must be integers, not list