Pablo Galindo Salgado <pablog...@gmail.com> added the comment:
Apparently we currently don't allow walruses in set literals either:
>>> {y := 4, 4**2, 3**3}
File "<stdin>", line 1
{y := 4, 4**2, 3**3}
^
SyntaxError: invalid syntax
But they should be allowed as well per PEP 572 (as the pep mentions all
comprehensions):
There is one special case: an assignment expression occurring in a list, set or
dict comprehension or in a generator expression (below collectively referred to
as "comprehensions") binds the target in ...
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue42381>
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