code: def get_wordlist(language, word_source):
      
      try:
          wordlist_string = eval(language + '_words_' + word_source)
      except NameError:
          raise Exception("No wordlist could be found for the word source and language provided.")
      wordlist = wordlist_string.split(',')
      return wordlist
docs: Takes in a language and a word source and returns a matching wordlist,
          if it exists.
          Valid languages: ['english']
          Valid word sources: ['bip39', 'wiktionary', 'google']