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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 is_starred(self):
 """Check to see if this gist is starred by the authenticated user. :returns: bool -- True if it is starred, False otherwise """

        url = self._build_url('star', base_url=self._api)
        return self._boolean(self._get(url), 204, 404)