Do we still need to maintain comments in general-purpose scripting language? Is good code code that doesn't need comments? What are the most useful comments in code that you've seen?
Comments are a gift to future you. When you pick up the code again after 6 months/years/however-long-in-the-future and it looks like something you've never seen before, the comments you left should be notes you need to build context around what's in the code and (sometimes more importantly) what's NOT in the code.
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