code: def filter_by_status(weather_list, status, weather_code_registry):
      
      result = []
      for weather in weather_list:
          if status_is(weather, status, weather_code_registry):
              result.append(weather)
      return result
docs: Filters out from the provided list of *Weather* objects a sublist of items
      having a status corresponding to the provided one. The lookup is performed
      against the provided *WeatherCodeRegistry* object.
  
      :param weathers: a list of *Weather* objects
      :type weathers: list
      :param status: a string indicating a detailed weather status
      :type status: str
      :param weather_code_registry: a *WeatherCodeRegistry* object
      :type weather_code_registry: *WeatherCodeRegistry*
      :returns: ``True`` if the check is positive, ``False`` otherwise