[Python-Dev] for loop with if filter

Tristan Seligmann mithrandi-python-dev at mithrandi.za.net
Sat Nov 17 02:31:51 CET 2007


* Terry Reedy <tjreedy at udel.edu> [2007-11-16 18:31:12 -0500]:

> 
> "Gustavo Carneiro" <gjcarneiro at gmail.com> wrote in message 
> news:a467ca4f0711160617p11564c05q8b2c59e87981c028 at mail.gmail.com...
> |I am finding myself often doing for loops over a subset of a list, like:
> |
> |        for r in results:
> |            if r.numNodes != numNodes:
> |                continue
> |            # do something with r
> 
> Why write it backwards?
> 
> for r in results:
>   if r.numNodes == numNodes
>     # do something with r
> 
> is the direct parallel with the below code.

The extra level of indentation is awkward.
-- 
mithrandi, i Ainil en-Balandor, a faer Ambar
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