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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 get_xml(url):
 """ Download request as XML data type :param url: url to Sentinel Hub's services or other sources from where the data is downloaded :type url: str :return: request response as XML instance :rtype: XML instance or None :raises: RunTimeError """

    request = DownloadRequest(url=url, request_type=RequestType.GET, save_response=False, return_data=True,
                              data_type=MimeType.XML)

    return execute_download_request(request)