[Python-Dev] Informal educator feedback on PEP 572 (was Re: 2018 Python Language Summit coverage, last part)

Greg Ewing greg.ewing at canterbury.ac.nz
Mon Jun 25 18:54:12 EDT 2018


Terry Reedy wrote:
> How loop variables might be isolated without a nested scope: After a 
> comprehension is parsed, so that names become strings, rename the loop 
> variables to something otherwise illegal.

This doesn't change the situation conceptually, though, since
the question arises of why not do the same mangling for names
assigned within the comprehension.

A decision still needs to be made about whether we *want*
semantics that leak some things but not others.

-- 
Greg



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