docs: async def download_media_by_id(self, media_id):
          """Given a message ID, finds the media this message contained and
             downloads it.
          """
          try:
              msg = self.found_media[int(media_id)]
          except (ValueError, KeyError):
              # ValueError when parsing, KeyError when accessing dictionary
              print('Invalid media ID given or message not found!')
              return
  
          print('Downloading media to usermedia/...')
          os.makedirs('usermedia', exist_ok=True)
          output = await self.download_media(
              msg.media,
              file='usermedia/',
              progress_callback=self.download_progress_callback
          )
          print('Media downloaded to {}!'.format(output))