Hey, if you (like me) are having trouble with “classes” and “self” I found these videos to be very helpful.
Youtube channel - CS Dojo:
https://youtu.be/wfcWRAxRVBA
Youtube channel - Corey Schafer
https://www.youtube.com/watch?v=ZDa-Z5JzLYM&list=PL-osiE80TeTsqhIuOqKhwlXsIBIdSeYtc