def guessing_game(secret) :
    '''
    Takes an integer @secret as an argument, and
    repeatedly prompts the user to guess a number until they guess correctly.

     - Tells the user "guess higher" or "guess lower" after each incorrect guess.
     - When the correct number is guessed, prints "Correct guess!"
    '''
    guess = int(input("guess the secret number: "))

    # stop guessing once the guess matches the secret
    while guess != secret :

        # if the secret is higher, tell them
        if guess < secret :
            guess = int(input("guess higher: "))
        # if the secret is not higher, tell them
        else :
            guess = int(input("guess lower: "))

    # outside the loop
    print("correct guess!")

if __name__ == "__main__":
    secret = input("pick a secret number: ")
    guessing_game(int(secret))