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> until you execute that line of code to make sure there wasn't a misspelled variable name or something

But isn't it the purpose of tools such as IDEs? PyCharm is pretty damn good at it. Of course, it's not always possible or convenient firing up an IDE. But I suppose editors such as vim should be fully capable of doing this via plugins as well.

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The best use case I know of is avoiding the common Python & Ruby pitfall of "just stick everything in a dictionary and index it by key". Welp, forgot to update every instance of that string index (particularly if that name overlaps with anything else, including variable and function and class names... so, like, a lot of the time).

Yeah, no, I don't think that is the job for an IDE. Maybe for you on your desktop, but your software should work regardless of any IDE or editor.

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