[Tutor] Ok, take one step back and let you look

[Moshe Zadka]

On Fri, 1 Oct 1999, Moshe Zadka wrote:

> On Thu, 30 Sep 1999, Michael P. Reilly wrote:
> 
> > >>> classify = {}
> > >>> for item in inventory:
> > ...   key = item.__class__
> > ...   if classify.has_key(key):
> > ...     classify[key] = classify[key] + 1
> > ...   else:
> > ...     classify[key] = 1
> 
> But a better idiom, both in clarity and efficiency, would be to simulate
> Perl's hash semantics and use .get:
> 
> classify={}
> for item in inventory:
> 	classify[item.__class__]=classify.get(item.__class__, 0)

Sorry for the typo. There should be a +1 at the end of the last line.
--
Moshe Zadka <mzadka@geocities.com>. 
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