code: def create_passphrase(bits_of_entropy=None, num_words=None,
                        language='english', word_source='wiktionary'):
      
      wordlist = get_wordlist(language, word_source)
  
      if not num_words:
          if not bits_of_entropy:
              bits_of_entropy = 80
          num_words = get_num_words_with_entropy(bits_of_entropy, wordlist)
  
      return ' '.join(pick_random_words_from_wordlist(wordlist, num_words))
docs: Creates a passphrase that has a certain number of bits of entropy OR
          a certain number of words.