code: def __read_answer(self):
          
  
          if self.__clusters is not None:
              return
  
          file = open(self.__answer_path, 'r')
  
          self.__clusters, self.__noise = [], []
  
          index_point = 0
          for line in file:
              self.__read_answer_from_line(index_point, line)
              index_point += 1
  
          file.close()
docs: !
          @brief Read information about proper clusters and noises from the file.