code: def set_display_config(cls, config): # pragma: no cover
          
          cls.DISPLAY_CONFIG = DisplayConfig(
              show_approx_str=config.show_approx_str,
              base_config=config.base_config,
              digits_config=config.digits_config,
              strip_config=config.strip_config
          )
docs: Set configuration for superficial aspects of display.
  
          :param DisplayConfig config: a configuration object