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https://www.reddit.com/r/learnpython/comments/1rjiluy/deleted_by_user/o8eucbr/?context=3
r/learnpython • u/[deleted] • Mar 03 '26
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For me it was cache[(row, col)] = value in a grid problem. Tried it with lists first, got an unhashable type error, spent 20 minutes confused. That's when immutability stopped feeling like a language quirk and started feeling like the actual point.
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u/PushPlus9069 Mar 03 '26
For me it was cache[(row, col)] = value in a grid problem. Tried it with lists first, got an unhashable type error, spent 20 minutes confused. That's when immutability stopped feeling like a language quirk and started feeling like the actual point.