[Sugestão] Código com count

Segue o código com o uso de count para o print() conter quantas letras faltam para o jogador advinhar. Aproveitei para não deixar o usuário inputar nem números, nem dar return em input vazio

#!/usr/bin/env python3.9


def goodbye():
    print("Goodbye, then...", "\U0001F984", "\n")
    print("***" * 10, "\n")


def want_to_play():
    while True:
        answer = input("Wanna play? Type [y] for yes and [n] for no.\n\n")
        print()

        if answer == "n":
            goodbye()
            return False
        elif answer == "y":
            return True
        else:
            print("Just y or n, buddy.", "\n")


def wanna_play_again():
    while True:
        answer = input("Wanna play again? Type [y] for yes and [n] for no.\n\n")
        print()

        if answer == "n":
            goodbye()
            return False
        elif answer == "y":
            return True
        else:
            print("Just y or n, buddy.", "\n")


def play():
    already_played = False

    print()
    print("***" * 10, "\n")

    hanged = False
    secret_word = "banana"
    while True:
        success = False
        correct_guesses = ["_", "_", "_", "_", "_", "_"]

        if not already_played:
            print("Welcome to Hangman!", "\n")
            if want_to_play():
                already_played = True
            else:
                break
        elif not wanna_play_again():
            break

        while not hanged and not success:
            guess = input("Guess a letter: ").strip().lower()
            found = False

            if guess.isdigit():
                print("\nNo numbers, please.", "\n")
                continue

            if not guess:
                print("\nNo empty guesses, please.", "\n")
                continue

            for index, letter in enumerate(secret_word):
                if guess == letter:
                    correct_guesses[index] = letter
                    found = True

            print()
            if correct_guesses.count("_") > 0:
                print("".join(correct_guesses), "\n")
            else:
                success = True
                print(
                    "\U0001F525 " * 3,
                    f"That's right! The word is {secret_word}!",
                    "\U0001F525 " * 3,
                    "\n",
                )

            remaining_letters = correct_guesses.count("_")
            if remaining_letters > 0:
                print(
                    f"There are {remaining_letters} letters left to guess, \U0001F9C1.",
                    "\n",
                )
            else:
                success = True
                print("\U0001F973 " * 3, "You won!", "\U0001F973 " * 3, "\n")

            if not found:
                print(f"{guess} not found in word.", "\n")


print("Game Over!", "\n")

if __name__ == "__main__":
    print("***" * 10, "Hangman is being run directly!", "***" * 10, "\n")
    play()