I loved this course. It was really on speed for somebody who needed to learn how to system correctly. I have bene wanting to find out for quite some time, but no-one has explained it so basically as Codecademy. Thanks Codecademy! I'm one of the certified programming experts at https://augustprrwx.tribunablog.com/the-single-best-strategy-to-use-for-online-programming-help-42553072