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From: Lawrence =?iso-8859-13?q?D=FFOliveiro?= <ldo@nz.invalid>
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Subject: Re: In precision typing we trust
Date: Tue, 26 Aug 2025 07:27:46 -0000 (UTC)
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On Mon, 25 Aug 2025 14:27:55 -0700, Paul Rubin wrote:

> It's not really useful to think of Python types as sets.  Python isn't
> that mathematical.

Duck-typing, on the other hand, does make sense in terms of grouping 
Python objects into (possibly overlapping) sets. E.g. a function that 
wants to write to what is nominally an output text file might happily 
accept any object that has a “.write()” method that takes a string 
argument.