```py
        >>> downloaded_files = dl_manager.download('https://storage.googleapis.com/seldon-datasets/sentence_polarity_v1/rt-polaritydata.tar.gz')
        >>> extracted_files = dl_manager.extract(downloaded_files)
        ```
        """
        urlpaths = map_nested(self._extract, url_or_urls, map_tuple=True)
        return urlpaths