Conditionals: if, elif, and else
How do `if`/`elif`/`else` pick exactly one branch to run — and why does indentation alone decide what belongs to each?
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Feynman technique
Learn with the Feynman Technique
Explain each idea in your own words in handwriting, then upload a photo for AI critique. Two attempts per question — there's no "right" answer, only depth of understanding.