Why does this program not run? I type python number_game.py and the console does not do anything?

secret_num= random.randint(1,10)
guesses=[]

while len(guesses) < 5 :
    try:

        guess=int(input("Guess a number between 1 and 10: "))
    except ValueError:
        print("{} isn't a number!".format(guess))
    else:
            if guess == secret_num:
                print("you win jackwagon my number was {}".format(secret_num))
                break
            elif guess < secret_num:
                print("Sorry my number was higher then {}.".format(guess))
            else:
                print("Sorry my number was lower then {}.".format(guess))
            guesses.append(guess)
else:
     print("you didnt get it my number was {}".format(secret_num))


play_again=input("Do you want to play again Y/n?.")
if play_again.lower() != 'n':
    game()          
else:
     print("Bye you quitter")