code: def _prepare_wsdl_objects(self):
          
  
          self.DeletionControlType = self.client.factory.create('DeletionControlType')
          self.TrackingId = self.client.factory.create('TrackingId')
          self.TrackingId.TrackingIdType = self.client.factory.create('TrackingIdType')
docs: Preps the WSDL data structures for the user.