docs: def get_all_tags_of_letter(self, letter_id):
          """
          Get all tags of letter
          This will iterate over all pages until it gets all elements.
          So if the rate limit exceeded it will throw an Exception and you will get nothing
  
          :param letter_id: the letter id
          :return: list
          """
          return self._iterate_through_pages(
              get_function=self.get_tags_of_letter_per_page,
              resource=LETTER_TAGS,
              **{'letter_id': letter_id}
          )