code: def get_observations(self):
      ''' return only specific weather observations (FM types) and
      ignore the summary of day reports '''
      return [rpt for rpt in self._reports if rpt.report_type in self.OBS_TYPESf get_observations(self):
      ''' return only specific weather observations (FM types) and
      ignore the summary of day reports '''
      return [rpt for rpt in self._reports if rpt.report_type in self.OBS_TYPES]
docs: return only specific weather observations (FM types) and
      ignore the summary of day reports