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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _configure_dataset(self, data_root: str=None, download_urls: Iterable[str]=None, **kwargs) -> None: """ Save the passed values and use them as a default property implementation. :param data_root: directory to which the files will be downloaded :param download_urls: list of URLs to be downloaded """

        self._data_root = data_root
        self._download_urls = download_urls