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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 save(self, *args, **kwargs):
 """ Saves this item. Creates a default base if there isn't one already. """

        with xact():
            if not self.vid:
                self.state = self.DRAFT

                if not self.object_id:
                    base = self._meta._base_model(is_published=False)
                    base.save(*args, **kwargs)
                    self.object = base

            super(VersionModel, self).save(*args, **kwargs)