code: def set_similarity_limit(self, value):
          ''' setter '''
          if isinstance(value, float) is False:
              raise TypeError("__similarity_limit must be float.")
          self.__similarity_limit = valuf set_similarity_limit(self, value):
          ''' setter '''
          if isinstance(value, float) is False:
              raise TypeError("__similarity_limit must be float.")
          self.__similarity_limit = value
docs: setter