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[3.12] gh-125832: Clarify comment for inlined comprehensions as per P… (gh-126345)

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* [3.12] gh-125832: Clarify comment for inlined comprehensions as per PEP-709 (gh-126322)

* Fix comprehensions comment to inlined by pep 709

* Update spacing

Co-authored-by: RUANG (James Roy) <longjinyii@outlook.com>

* Add reference to PEP 709

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Co-authored-by: Carol Willing <carolcode@willingconsulting.com>
Co-authored-by: RUANG (James Roy) <longjinyii@outlook.com>

* Add space

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Co-authored-by: rimchoi <hyerimc858@gmail.com>
Co-authored-by: Carol Willing <carolcode@willingconsulting.com>
Co-authored-by: RUANG (James Roy) <longjinyii@outlook.com>
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Donghee Na 2024-11-03 13:00:52 +09:00 • committed by GitHub
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Python/compile.c
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@ -5191,9 +5191,12 @@ ex_call:
}
/* List and set comprehensions and generator expressions work by creating a
nested function to perform the actual iteration. This means that the
iteration variables don't leak into the current scope.
/* List and set comprehensions work by being inlined at the location where
they are defined. The isolation of iteration variables is provided by
pushing/popping clashing locals on the stack. Generator expressions work
by creating a nested function to perform the actual iteration.
This means that the iteration variables don't leak into the current scope.
See https://peps.python.org/pep-0709/ for additional information.
The defined function is called immediately following its definition, with the
result of that call being the result of the expression.
The LC/SC version returns the populated container, while the GE version is