code: def _PrintSessionsOverview(self, storage_reader):
      
      table_view = views.ViewsFactory.GetTableView(
          self._views_format_type, title='Sessions')
  
      for session in storage_reader.GetSessions():
        start_time = timelib.Timestamp.CopyToIsoFormat(
            session.start_time)
        session_identifier = uuid.UUID(hex=session.identifier)
        session_identifier = '{0!s}'.format(session_identifier)
        table_view.AddRow([session_identifier, start_time])
  
      table_view.Write(self._output_writer)
docs: Prints a sessions overview.
  
      Args:
        storage_reader (StorageReader): storage reader.