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On Fri, Feb 3, 2023 at 12:28 PM Stephen J. Turnbull < stephenjturnb...@gmail.com> wrote: > Stéfane Fermigier writes: > > > NB: on a very basic level, I remember trying, a few years ago, to use > the > > Unicode "empty set" symbol as a synonym for set(), and it didn't end > well, > > for several reasons, including the fact that Python didn't like it as a > > variable name. > > I know about the issue that '∅' is not valid in identifiers, but I'm > curious about these other "several reasons". > IIRC (this was a few years back): '∅' (aka EMPTY SET) was not accepted by Python, so I used instead ''Ø" (aka "LATIN CAPITAL LETTER O WITH STROKE"). Python was OK with it, but some of the tools I use (one of flake8, isort, black... or maybe one of my IDE) barfed on it. S. -- Stefane Fermigier - http://fermigier.com/ - http://twitter.com/sfermigier - http://linkedin.com/in/sfermigier Founder & CEO, Abilian - Enterprise Social Software - http://www.abilian.com/ Co-Founder & Co-Chairman, National Council for Free & Open Source Software (CNLL) - http://cnll.fr/ Co-Founder & Chairman, Association Professionnelle Européenne du Logiciel Libre (APELL) - https://www.apell.info/ Co-Founder & Spokesperson, European Cloud Industrial Alliance (EUCLIDIA) - https://www.euclidia.eu/ "I wish you were as accurate, & as much to be relied on, as I am myself" - Lady Ada Lovelace
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