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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 update(self):
 """ Update this range """


        if not self._track_changes:
            return True  # there's nothing to update

        data = self.to_api_data(restrict_keys=self._track_changes)
        response = self.session.patch(self.build_url(''), data=data)
        if not response:
            return False

        data = response.json()

        for field in self._track_changes:
            setattr(self, snakecase(field), data.get(field))
        self._track_changes.clear()

        return True