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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def delete(self, obj):
 """ Delete an object in CDSTAR and remove it from the catalog. :param obj: An object ID or an Object instance. """

        obj = self.api.get_object(getattr(obj, 'id', obj))
        obj.delete()
        self.remove(obj.id)