Letter game refinement

import random
import os
import sys

# make a list
words = [
    'apple', 
    'banana',
    'orange',
    'coconout',
    'strawberry',
    'lime',
    'grapfruit',
    'lemon',
    'blueberry',
    'melon',
]

def clear():
    if os.name == 'nt':
        os.system('cls')
    else:
        os.system('clear')

def draw(bad_guesses, good_guesses, secret_word):
    clear()

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

    for letter in bad_guesses:
        print(letter, end=' ')
    print ('\n\n')

    for letter in secret_word:
        if letter in good_guesses:
            print (letter, end = ' ')
        else:
            print ('_', end=' ')

    print (' ')

def get_guess(bad_guesses, good_guesses):
    while True:
        guess = input("Take a guess: ").lower()

        if len(guess) != 1:
            print ("You can only print one at a time!")
        elif guess in bad_guesses or guess in good_guesses:
            print ("You've already guess that")
        elif not guess.isalpha():
            print ("You should type in only letters")
        else:
            return guess

def play(done):
    clear()
    secret_word = random.choice(words)
    bad_guesses = []
    good_guesses = []

    while True:
        draw(bad_guesses, good_guesses, secret_word)
        guess = get_guess(bad_guesses, good_guesses)

        if guess in secret_word:
            good_guesses.append(guess)
            found = True
            for letter in secret_word:
                if letter not in good_guesses and letter != ' ':
                    found = False
            if found:
                print("You win!")
                print("The secret word was {}".format(secret_word))
                done = True
        else:
            bad_guesses.append(guess)
            if len(bad_guesses) == 7:
                draw(bad_guesses, good_guesses, secret_word)
                print("You lost!")
                print("The secret word was {}".format(secret_word))
                done = True

            if done:
                play_again = input("Play again? Y/n ").lower()
                if play_again != 'n':
                    return play(done=False)

            else:
                sys.exit()
def welcome():
    start = input("Press enter/return to play, or type Q to quit.").lower()
    if start.lower() == 'q':
        print ("Game Over!")
        sys.exit()
    else:
        return True

print("Welcome to letter Guess!")

done = False

while True:
    clear()
    welcome()
    play(done)

Strikes: 0/7.                                                                                    




_____                                                                                            
Take a guess: d                                                                                  
treehouse:~/workspace$