code: def delete_assets(self, service_id, url=None, all=False):
          
          self._services_manager.delete_assets(service_id, url, all)
docs: Delete CDN assets
  
          Arguments:
          service_id: The ID of the service to delete from.
          url: The URL at which to delete assets
          all: When True, delete all assets associated with the service_id.
  
          You cannot specifiy both url and all.