[Python-Dev] The `for y in [x]` idiom in comprehensions

[Michel Desmoulin]

Le 25/02/2018 à 14:11, Nikolaus Rath a écrit :
> On Feb 25 2018, Chris Angelico <rosuav at gmail.com> wrote:
>> On Sun, Feb 25, 2018 at 11:02 PM, Nikolaus Rath <Nikolaus at rath.org> wrote:
>>> On Feb 22 2018, Serhiy Storchaka <storchaka at gmail.com> wrote:
>>>> 1. Inner generator expression:
>>>>
>>>>     result = [y + g(y) for y in (f(x) for x in range(10))]
>>>>
>>> [...]
>>>>


>>>> And maybe there are other ways.
>>>
>>> I think the syntax recently brough up by Nick is still the most
>>> beautiful:
>>>
>>>     result = [ (f(x) as y) + g(y) for x in range(10)]

Honestly I find this version the most readable while the double for loop
is completely weird to me, despite doing python for a living for years.

I really hope the later doesn't become a common idiom.