Python letter_game Could you please review the error in the code?

import random

# make list of words
words = [
    "apple",
    "banana",
    "orange",
    "coconut",
    "strawberry",
    "lime"
]

# FIXED removed 'while True:'
# why? This loop would run until q entered, then run remaining code anyway
start = input("Press enter/return to start or enter Q to quit")
if start.lower() == "q":
    # FIXED replace 'break' with 'exit'
    # why?  'break' only leaves this 'while' not the program
    exit()

# pick a random word
secret_word = random.choice(words)
bad_guesses = []
good_guesses = []

# FIXED changed from 'len(good_guesses) != len(list(secret_word)):'
# why? to cover case when secret_word has repeated letters
while len(bad_guesses) < 7 and len(good_guesses) != len(set(secret_word)):
    for letter in secret_word:
        # FIXED check if this secret_word letter is in good_guesses
        # why? original loop printed every letter, then the else added '_'
        if letter in good_guesses:
            print(letter, end=" ")
        # else indented to print if letter not in good_guesses
        else:
            print("_", end=" ")

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

    guess = input("Guess a letter: ").lower()

    if len(guess) != 1:
        print("You can only guess a single letter!")
        continue
    # FIXED changed from 'or guess in secret_word':
    # why? letters secret_word may not have been guessed already
    elif guess in bad_guesses or guess in good_guesses:
        print("You've already guessed that letter!")
        continue
    elif not guess.isalpha():
        print("You can only guess letters!")
        continue

    if guess in secret_word:
        good_guesses.append(guess)
        # FIXED changed from 'len(good_guesses) == len(list(secret_word)):'
        # why? to cover case when secret_word has repeated letters
        if len(good_guesses) == len(set(secret_word)):
            # FIXED typo 'secret.word'
            print("You win! The word was {}".format(secret_word))
            break
    # FIXED unindent else for 'bad_guesses'
    # why? letter was added to bad_guesses if not "Won"
    else:
        bad_guesses.append(guess)
else:
    print("You didn't guess it! My secret word was {}".format(secret_word))