code: def get_request_subfields(root):
      
      request = root.find('request')
      responsedate = root.find('responseDate')
  
      subs = [("9", request.text),
              ("h", responsedate.text),
              ("m", request.attrib["metadataPrefix"])]
      return subs
docs: Build a basic 035 subfield with basic information from the OAI-PMH request.
  
      :param root: ElementTree root node
  
      :return: list of subfield tuples [(..),(..)]