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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 get_guardian_enrollments(self, user_id):
 """Retrieves all Guardian enrollments. Args: user_id (str):
 The user_id of the user to retrieve See: https://auth0.com/docs/api/management/v2#!/Users/get_enrollments """

        url = self._url('{}/enrollments'.format(user_id))
        return self.client.get(url)