code: def _update_sub_file_dict(self, sub_files):
          
          sub_files.file_dict.clear()
          for job_details in self.jobs.values():
              if job_details.file_dict is not None:
                  sub_files.update(job_details.file_dict)
              if job_details.sub_file_dict is not None:
                  sub_files.update(job_details.sub_file_dict)
docs: Update a file dict with information from self