On Mon, Apr 16, 2018 at 8:09 PM, Thautwarm Zhao <yaoxiansa...@gmail.com> wrote: > > > 3) "target ? expr" (where ? is some other word/character - IIRC > > "target from expr" was proposed once) > > A more popular convention is to mark `?` as handling boolean variables, so > `target ? expr` could mean `expr if target else target`. Other proposal for > null/boolean checking might need `?`, let's preserve `?` character for > further development. >
The only acceptable use of ? is formulated in PEP 505. -- --Guido van Rossum (python.org/~guido)
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