123def get_available_letters(letters_guessed):
124 """
125 letters_guessed: list (of letters), which letters have been guessed so far
126 returns: string (of letters), comprised of letters that represents which letters have not127 yet been guessed.
128 """
129 all_str = list(string.ascii_lowercase)
Docstring line lengths are recommended to be no greater than 79 characters.