"This repo has all the resources you need to become an amazing data engineer!"
That's a bold claim. Is this a marketing post for selling courses?
It’s a plug for the author’s discord server (first entry under the “must-join” communities list).
Pro tip for any aspiring DEs: you can ignore 98% of the linked junk on this repo. Learn python, learn SQL, read DDIA, and you’ll do fine.
He does sell a course, but the repo is open-source with contributions from others. It’s got solid resources, and I found it pretty useful.
It's ONE exercise