🧒 Explain like I'm 5
Imagine you're building a toy that other kids can use to build their own toys. You need to make sure it's easy to use, has clear instructions, and works well with other toys they already have.
Interactive quiz
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Detailed notes
Senior-level deep dive: internals, pitfalls, and a self-interview ladder.
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Answer out loud, get scored on correctness, depth, and clarity.
