The Battleship Game | Python Fiddle

#importing "random integer" from "random" functions
from random import randint

#making a "board" list
board = []

#creating the original board
for x in range(0, 5):
    board.append(["O"] * 5)

#printing board w/o qoutes
def print_board(board):
    for row in board:
        #this allows to print list elements using anything - here printing with spaces b/w elements
        print " ".join(row)

#printing original board
print_board(board)

#random row where the ship will be
def random_row(board):
    return randint(0, len(board) - 1)

#random column where the ship will be
def random_col(board):
    return randint(0, len(board[0]) - 1)

#puting the ship in that random row & colum
ship_row = random_row(board)
ship_col = random_col(board)

#<<Printing ship's row & col for debugging>>
print ship_row
print ship_col
#<<Printing ship's row & col for debugging>>

#asking user to guess the row
guess_row = int(raw_input("Guess Row:"))

#asking user to guess the col
guess_col = int(raw_input("Guess Col:"))

#if guess is same as ship, user wins
if guess_row == ship_row and guess_col == ship_col: 
    #display win message
    print "Congratulations! You sank my battleship!"
#if guess is not same as ship
else:
    #if row/column is outside board
    if guess_row != range(5) and guess_col != range(5): #based on T or F = T & T and F = F logic
        #outside baord message
        print "Oops, that's not even in the ocean."
    #already marked w/"X"
    elif board[guess_col][guess_row]=="X":
        print "You guessed that one already."
    else:
        #marking the guess with an "X"
        board[guess_col][guess_row]="X"
        #display lose message
        print "You missed my battleship!"
        #printing board with "X"
        print_board(board)

Python Fiddle

Python Cloud IDE