On Tue, Dec 15, 2020 at 8:04 PM Paul Sokolovsky <pmis...@gmail.com> wrote: > So, let's try simple yes/no questions: > > Example 1: > > a + b + c vs a + (b + c) > > Question 1: > Do you agree that there's a clear difference between left and right > expression? Yes/no.
Yes, there is a difference. > Example 2: > > a.b() vs (a.b)() > > Question 2: > Do you agree that there's a *similar* difference here as in Example 1? > Yes/no. No, there is no difference. > > Then of course depending on the outcome of the last question, there > would be further questions. Specifically: > > If yes: How to put a solid formal basis behind the difference in > Example 2 (because so far we're just riding on the similarity with > Example 1). And how to explain it to wider audience? > Uhh, it's called precedence and associativity? You know that (a + b + c) is equivalent to ((a + b) + c), not to (a + (b + c)). Is that formal enough? ChrisA _______________________________________________ Python-ideas mailing list -- python-ideas@python.org To unsubscribe send an email to python-ideas-le...@python.org https://mail.python.org/mailman3/lists/python-ideas.python.org/ Message archived at https://mail.python.org/archives/list/python-ideas@python.org/message/D4C3A3AHHPASX4BWVYXJ4BQIKSU7K3YY/ Code of Conduct: http://python.org/psf/codeofconduct/
