There is a big difference between “learning” and “preparing for a specific test.”
Just like there is a big difference between “being a good software engineer” and “practicing reversing a binary tree on the whiteboard while juggling bowling balls while riding a unicycle on a tightrope”
Just like there is a big difference between “being a good software engineer” and “practicing reversing a binary tree on the whiteboard while juggling bowling balls while riding a unicycle on a tightrope”