code: def download_file(self, file_url, destination_folder=None):
          
          if not destination_folder:
              destination_folder = constants.Files.DOWNLOADS_FOLDER
          page_utils._download_file_to(file_url, destination_folder)
docs: Downloads the file from the url to the destination folder.
              If no destination folder is specified, the default one is used.
              (The default downloads folder = "./downloaded_files")