Sounds symptomatic of many programming classes catering to non-programmers. The better programmers don't have enough material to go in depth, while the weaker

Sounds symptomatic of many programming classes catering to non-programmers. The better programmers don't have enough material to go in depth, while the weaker ones get enough paint-by-numbers to get through, without really understanding anything. And for better or worse, so much of data science is cleaning data and figuring out how to link datasets that don't have good indexes.