code: def suggest():
          
          word_count = 16
          brainkey = [None] * word_count
          dict_lines = BrainKeyDictionary.split(",")
          assert len(dict_lines) == 49744
          for j in range(0, word_count):
              num = int.from_bytes(os.urandom(2), byteorder="little")
              rndMult = num / 2 ** 16  # returns float between 0..1 (inclusive)
              wIdx = round(len(dict_lines) * rndMult)
              brainkey[j] = dict_lines[wIdx]
          return " ".join(brainkey).upper()
docs: Suggest a new random brain key. Randomness is provided by the
              operating system using ``os.urandom()``.