code: def get_download_url(self, file):
          
          from .api_types.receivable.media import File
          assert isinstance(file, File)
          return file.get_download_url(self.api_key)
docs: Creates a url to download the file.
  
          Note: Contains the secret API key, so you should not share this url!
  
          :param file: The File you want to get the url to download.
          :type  file: pytgbot.api_types.receivable.media.File
  
          :return: url
          :rtype: str