Some more advice:
Tests are all bullshit. They are just some arbitrary questions, trying to figure out whether you understood the material, which were made up by some guy who has much more important things to do.
If you want to spend your time well, either do networking or try to understand the material. If you are there trying to game the system (which hilariously Karpathy is suggesting you do, in a very mild way) then you should seriously consider why you are there in the first place.
Also consider that when you are tested outside of school you will always be tested to face to face.
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