On Sat, Apr 21, 2018 at 10:29 PM, Serhiy Storchaka <storch...@gmail.com> wrote: > 21.04.18 13:42, Chris Angelico пише: >> >> What you're seeing there is actually the peephole optimizer at work. > > > Since 3.7 constant folding is the AST optimizer work. The end result is the > same in most cases though. > > Other optimization takes place here too. Constants strings that look like > identifiers (short string consisting of ASCII alphanumerical characters) are > interned in the code object constructor.
Ah, sorry, my bad. Anyhow, it's part of compile-time optimization, which means that it runs the exact same code for both assignments. ChrisA _______________________________________________ Python-ideas mailing list Python-ideas@python.org https://mail.python.org/mailman/listinfo/python-ideas Code of Conduct: http://python.org/psf/codeofconduct/
