code: def delete_blobs(self, blobs, on_error=None, client=None):
          
          for blob in blobs:
              try:
                  blob_name = blob
                  if not isinstance(blob_name, six.string_types):
                      blob_name = blob.name
                  self.delete_blob(blob_name, client=client)
              except NotFound:
                  if on_error is not None:
                      on_error(blob)
                  else:
                      raise
docs: Deletes a list of blobs from the current bucket.
  
          Uses :meth:`delete_blob` to delete each individual blob.
  
          If :attr:`user_project` is set, bills the API request to that project.
  
          :type blobs: list
          :param blobs: A list of :class:`~google.cloud.storage.blob.Blob`-s or
                        blob names to delete.
  
          :type on_error: callable
          :param on_error: (Optional) Takes single argument: ``blob``. Called
                           called once for each blob raising
                           :class:`~google.cloud.exceptions.NotFound`;
                           otherwise, the exception is propagated.
  
          :type client: :class:`~google.cloud.storage.client.Client`
          :param client: (Optional) The client to use.  If not passed, falls back
                         to the ``client`` stored on the current bucket.
  
          :raises: :class:`~google.cloud.exceptions.NotFound` (if
                   `on_error` is not passed).