[Python 2.7.3] What's the difference between these two uses of "for"?

Yves S. Garret yoursurrogategod at gmail.com
Mon Mar 18 02:59:53 CET 2013


On Sunday, March 17, 2013 9:18:12 PM UTC-4, Gary Herron wrote:
> On 03/17/2013 05:58 PM, Yves S. Garret wrote:
> 
> > N00b question.  But here is the code:
> 
> >
> 
> > http://bin.cakephp.org/view/709201806
> 
> >
> 
> > In the first example, the first for-loop is run and then the list is assigned to the tricky variable.  But, what
> 
> > happens in the second example?  Does the loop after "in" get run only once or multiple number of times?
> 
> 
> 
> Just once.  The sorted fn is called just once, and the resulting list is 
> 
> iterated through.  In your first case, the list is bound to (assigned 
> 
> to) a name so it is accessible afterwards.  In the second case, it is 
> 
> available for garbage collection immediately after the loop finishes.
> 
> 
> 
> Gary Herron

Gotcha, thanks.



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