Python Battleship

BattleShip.py

from random import randint

board = []

# create the 5 x 5 board
for x in range(0, 5):
    board.append(["O"] * 5)
    
board_index = len(board) - 1

# displays an easier to read board
def print_board(board):
    for row in board:
        print " ".join(row)
print_board(board)

# helpers for selecting random coordinates
def random_row(board):
    return randint(0, board_index)
def random_col(board):
    return randint(0, board_index)

# Set the coordinates of the battleship
ship_row = random_row(board)
ship_col = random_col(board)

# Used to print turn number to user
turn = 0

for i in range(board_index):
    turn += 1
    print 'Turn %d' % turn
    
    # Takes coordinate guess input from the user
    guess_row = int(raw_input("Guess Row:"))
    guess_col = int(raw_input("Guess Col:"))
    
    # Handle win or wrong guesses
    if guess_row == ship_row and guess_col == ship_col:
        print 'Congratulations! You sank my battleship!'
        break
    elif guess_row <= board_index and guess_col <= board_index:
        if 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)
    else:
        if guess_row > board_index or guess_col > board_index:
            print "Oops, that's not even in the ocean."