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Message from discussion A gnarly little python loop
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Cameron Simpson  
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 More options Nov 11 2012, 7:44 pm
Newsgroups: comp.lang.python
From: Cameron Simpson <c...@zip.com.au>
Date: Mon, 12 Nov 2012 11:43:56 +1100
Local: Sun, Nov 11 2012 7:43 pm
Subject: Re: A gnarly little python loop
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On 11Nov2012 11:16, Steve Howell <showel...@yahoo.com> wrote:
| On Nov 11, 10:34 am, Peter Otten <__pete...@web.de> wrote:
| > Steve Howell wrote:
| > > On Nov 11, 1:09 am, Paul Rubin <no.em...@nospam.invalid> wrote:
| > >> Cameron Simpson <c...@zip.com.au> writes:
| > >> > | I'd prefer the original code ten times over this inaccessible beast.
| > >> > Me too.
| >
| > >> Me, I like the itertools version better.  There's one chunk of data
| > >> that goes through a succession of transforms each of which
| > >> is very straightforward.
| >
| > > Thanks, Paul.
| >
| > > Even though I supplied the "inaccessible" itertools version, I can
| > > understand why folks find it inaccessible.  As I said to the OP, there
| > > was nothing wrong with the original imperative approach; I was simply
| > > providing an alternative.
| >
| > > It took me a while to appreciate itertools, but the metaphor that
| > > resonates with me is a Unix pipeline.
[...]
| > Actually you supplied the "accessible" itertools version. For reference,
| > here's the inaccessible version:
[...]
| I know Peter's version is tongue in cheek, but I do think that it has
| a certain expressive power, and it highlights three mind-expanding
| Python modules.
| Here's a re-flattened take on Peter's version ("Flat is better than
| nested." -- PEP 20):
[...]

Ok, who's going to quiz the OP on his/her uptake of these techniques...
--
Cameron Simpson <c...@zip.com.au>

It's hard to make a man understand something when his livelihood depends
on him not understanding it. - Upton Sinclair


 
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