letter_game.py

import random 

words = ['apple', 'banana', 'orange', 'coconut', 'lime', 'lemon', 'blueberry']


while True:
    start = input("press inter/return to start, or enter Q to quit")
    if start.lower() == 'q':
        break



    secret_word= random.choice(words)
    bad_guesses = []
    good_guesses= []

    while len(bad_guesses) <7 and len(good_guesses)!= len(list(secret_word)):
        for letter in secret_word:
            if letter in good_guesses:
                print(letter, end='')
            else:
                print('_', end='')


        print('')
        print("strikes: {}/7".format(len(bad_guesses)))
        print('')


        guess = input ("Guess a letter:").lower()
        if len(guess)!=1:
            print("you can only guess a single letter!")
            continue
        elif guess in bad_guesses or guess in good_guesses:
            print("you have already guess that letter")
            continue
        elif not guess.isalpha():
            print("you can only guess letters!")
            continue

        if guess in secret_word:
            good_guesses.append(guess)
            if len(good_guesses)== len(list(secret_word)):
                print("You win! The word was {}".format(secret_word))
                break
        else:
            bad_guesses.append(guess)
    else:
        print("you did not guess it my secret word was {}".format(secret_word))