Kirk Strauser wrote: > At 2008-12-12T15:51:15Z, Marco Mariani <ma...@sferacarta.com> writes: > >> Filip Gruszczyński wrote: >> >>> I am not doing it, because I need it. I can as well use "if not elem >>> is None", > >> I suggest "if elem is not None", which is not quite the same. > > So what's the difference exactly? "foo is not None" is actually surprising > to me, since "not None" is True. "0 is True" is False, but "0 is not None" > is True. Why is that?
"is not" is an operator, so the parse is foo (is not) None not foo is (not None) regards Steve -- Steve Holden +1 571 484 6266 +1 800 494 3119 Holden Web LLC http://www.holdenweb.com/ -- http://mail.python.org/mailman/listinfo/python-list
