def bulk_change_and_save(iterable, update_only_changed_fields=False, save_kwargs=None, **changed_fields):
return [<EOL>change_and_save(obj, update_only_changed_fields=update_only_changed_fields, save_kwargs=save_kwargs,<EOL>**changed_fields)<EOL>for obj in iterable<EOL>]<EOL>
Changes a given `changed_fields` on each object in a given `iterable`, saves objects
and returns the changed objects.