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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_reviews(self, user_id):
 """ Get reviews for a particular user """

    url = _REVIEWS_USER.format(c_api=_C_API_BEGINNING,
                                                api=_API_VERSION,
                                                user_id=user_id,
                                                at=self.access_token)
    return _get_request(url)