On Wed, 2 Feb 2022 at 14:34, Lars Liedtke <lied...@punkt.de> wrote:
>
> This is a quite philosophical queston if you look at it in general:
> "What value do you give a variable, that is not set?"

Maybe I expressed my question badly. My existential doubt is why
setdefault has an optional parameter for the value and not a required
parameter. I'm not asking why the default is None.
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