Steven D'Aprano <steve+pyt...@pearwood.info> added the comment:
We're not mind-readers, how do you expect us to know what you tried if you
don't tell us?
The walrus operator works for me:
>>> [spam for c in "hello world" if (spam:=c.upper()) in 'AEIOU']
['E', 'O', 'O']
>>> [(spam:=x**2, spam+1) for x in range(5)]
[(0, 1), (1, 2), (4, 5), (9, 10), (16, 17)]
What did you try, and what happened?
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nosy: +steven.daprano
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue38556>
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