There's already a proposal. See
https://gist.github.com/MaggieMoss/c848cb3a581979f445d075c15629c950 and
https://mail.python.org/archives/list/typing-sig@python.org/thread/SWAY6V7WZ...
On Wed, Oct 7, 2020 at 9:50 AM Sebastian Noel Lübke
Hey, python 3.9 introduced the | operator for union types. it would be nice to have something like that for optional types. maybe like
name: ? int or name: int ?
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