It shall be unlawful for any person to possess upon the public streets, alleys, sidewalks or other public ways in the city, whether inside or outside a motor vehicle, any open container of alcoholic beverage, including cereal malt beverage as that term is defined in K.S.A. 41-2701(a), and commonly called beer. Any person convicted of violating the provisions of this section shall be subject to the penalties provided in Section 201 and Section 201a of the Standard Traffic Ordinance. (Ord. 357, Sec. 3)