Explanation of this Python language feature? [x for x in x for x in x] (to flatten a nested list)

[Mark Lawrence]

On 04/04/2014 03:29, Mark H Harris wrote:
>
>     Now, about Python2.  It has not died.  It appears to be 'useful'.
> The perceived reality is that Python2 is 'useful'.  Or, is it as I
> perceive it, python2 is embedded in so many places that it must be
> maintained for a long time because so many code(s) will break otherwise?
> Not so much 'useful' as 'used,' so that it is never sacked.
> Or, is it really that python2 is so much more 'suitable for a particular
> purpose' ('useful') that certain folks just don't want to use python3?
> Beats me; the community will have to decide.
>

For a lot of people, if it ain't broke, don't fix it.

-- 
My fellow Pythonistas, ask not what our language can do for you, ask 
what you can do for our language.

Mark Lawrence

---
This email is free from viruses and malware because avast! Antivirus protection is active.
http://www.avast.com