these are my notes. I will upload my notes every few days from now on.
https://www.dropbox.com/scl/fo/yadszs33462jah3j3x3kt/AO20g7Edidijx_YB9sdv1DE?rlkey=oup929opwh0lx770y2nufzup5&st=uqg0mqfj&dl=0
