On Sun, 31 Jul 2016 13:32:16 +1000 Steven D'Aprano <st...@pearwood.info> wrote: > Many beginners make the mistake of writing: > > mylist = mylist.sort() > > or try to write: > > mylist.sort().reverse() > > If we had procedures, that would be an obvious error (possibly even a > compile-time syntax error) instead of a perplexing source of mystery > bugs.
While neither is a syntax error, the latter is definitely a run-time error: >>> mylist.sort().reverse() Traceback (most recent call last): File "<stdin>", line 1, in <module> AttributeError: 'NoneType' object has no attribute 'reverse' -- D'Arcy J.M. Cain System Administrator, Vex.Net http://www.Vex.Net/ IM:da...@vex.net VoIP: sip:da...@vex.net -- https://mail.python.org/mailman/listinfo/python-list
