Classihacking Lab: https://zoom.us/recording/share/iXsUtklhyFlzON92epDanJBcQCckblA5qRDPsh8nevSwIumekTziMw?startTime=1560402280000 Lab 2: https://zoom.us/recording/share/zXoVQctBouYqR_Z_1QO4LnCX9caBSI7ITJO_M52B4gWwIumekTziMw?startTime=1560432940000