code: def update(self):
          
          launches = []
          for path in os.listdir(self.output_dir):
              full_path = os.path.join(self.output_dir, path)
              if os.path.isdir(full_path):
                  launches.append(self._get_launch_info(full_path))
          self.launches = sorted(launches)
docs: Update the launch information -- use if additional launches were
          made.