docs: def words(self, nb=3, ext_word_list=None, unique=False):
          """
          :returns: An array of random words. for example: ['Lorem', 'ipsum', 'dolor']
  
          Keyword arguments:
          :param nb: how many words to return
          :param ext_word_list: a list of words you would like to have instead of
              'Lorem ipsum'
          :param unique: If True, the returned word list will contain unique words
  
          :rtype: list
          """
          word_list = ext_word_list if ext_word_list else self.word_list
          if unique:
              return self.random_sample(word_list, length=nb)
          return self.random_choices(word_list, length=nb)