code: def get_similarity_limit(self):
          ''' getter '''
          if isinstance(self.__similarity_limit, float) is False:
              raise TypeError("__similarity_limit must be float.")
          return self.__similarity_limif get_similarity_limit(self):
          ''' getter '''
          if isinstance(self.__similarity_limit, float) is False:
              raise TypeError("__similarity_limit must be float.")
          return self.__similarity_limit
docs: getter