Adam Funk wrote: > On 2015-01-09, Ned Batchelder wrote: > >> On 1/9/15 9:44 AM, Adam Funk wrote: >>> This makes it a bit more trouble to use: >>> >>> if options.bar: >>> for b in options:bar >>> do_stuff(b) >>> >>> instead of >>> >>> for b in options.bar >>> do_stuff(b) >> >> This doesn't answer why the value defaults to None, and some people may >> recoil at it, but I've used: >> >> for b in options.bar or (): >> do_stuff(b) > > Do you mean "for b in options.bar or []:" ?
Doesn't matter; in the context of a for loop any empty iterable would do. -- https://mail.python.org/mailman/listinfo/python-list