Two variable dictionary comprehension

Deborah Swanson python at deborahswanson.net
Sun Apr 2 22:31:23 EDT 2017


Chris Angelico wrote, on April 02, 2017 6:37 PM
> 
> On Mon, Apr 3, 2017 at 11:26 AM, Deborah Swanson 
> <python at deborahswanson.net> wrote:
> > It seems like this should be easy to rewrite as a dict 
> comprehension:
> >
> >     records_idx = {}
> >     for idx, label in enumerate(records[0]):
> >         records_idx[label] = idx
> >
> > Maybe I'm having another "dumb day", or maybe I've just been 
> > struggling with this (larger) problem for too long, but eveything I 
> > try to get an equivalent dict comprehension for the 3 lines above is

> > not working.
> 
> Should be this:
> 
> records_idx = {label: idx for idx, label in enumerate(records[0])}
> 
> That's a direct translation of your code.
> 
> ChrisA

Well, wouldncha know it, I never tried using a colon. That's what I get
for just trying to guess.

Thanks Chris

Deborah



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