Show the average price of hotels for each star rating code.
SELECT star_rating_code ,  avg(price_range) FROM HOTELS GROUP BY star_rating_code
SELECT star_rating_code ,  avg(price_range) FROM HOTELS GROUP BY star_rating_code
[{'star_rating_code': '1', 'avg(price_range)': 12725.062543725}, {'star_rating_code': '2', 'avg(price_range)': 96606.48756549998}, {'star_rating_code': '3', 'avg(price_range)': 2763278.3206}, {'star_rating_code': '4', 'avg(price_range)': 19007487.73924}, {'star_rating_code': '5', 'avg(price_range)': 113509913.4784335}]