code: def get_frequency_dict(lang, wordlist='best', match_cutoff=30):
      
      freqs = {}
      pack = get_frequency_list(lang, wordlist, match_cutoff)
      for index, bucket in enumerate(pack):
          freq = cB_to_freq(-index)
          for word in bucket:
              freqs[word] = freq
      return freqs
docs: Get a word frequency list as a dictionary, mapping tokens to
      frequencies as floating-point probabilities.