[Python-ideas] Variations on a loop

Bruce Leban bruce at leapyear.org
Sat Aug 30 02:25:35 CEST 2008


On Fri, Aug 29, 2008 at 1:47 PM, David Blaschke <dwblas at gmail.com> wrote:

> This idea
> elif x == funky_empty:
>       result = 'no data'
>
> Can be accomplished with
> if not len(items):
>       result = 'no data'
> which means that part of the proposal can be scratched IMHO.
>

Not quite: len(items) requires iterating across the entire list which may
not be necessary or desirable. Plus you may need an intermediate variable to
store it. I think that's inferior.

--- Bruce
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