Don't use the URL in the video. Use this one instead: https://repl.it/community/classrooms/170540

Links and Course Resources:

https://www.appbrewery.co/p/100-days-of-python-course-resources

How to Sign up to the Repl.it Coding Exercises:

https://www.appbrewery.co/p/repl-it-100-days-of-code