Just a simple python game

Battleship.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)
+
+for turn in range(4):
+    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!"
+        break
+    else:
+        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."
+        elif (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 "Turn", turn + 1
+    print_board(board)
+
+    if turn == 3:
+        print "Game Over"
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