[Python-Dev] PEP 572: Assignment Expressions

Greg Ewing greg.ewing at canterbury.ac.nz
Tue May 1 02:44:40 EDT 2018

Steven D'Aprano wrote:
> "Not sure"? Given that you listed seven ways, how much more evidence do 
> you need to conclude that it is simply wrong to say that Python has a 
> single way to assign a value to a name?

Yes, but six of those are very specialised, and there's rarely
any doubt about when it's appropriate to use them.

The proposed :=, on the other hand, would overlap a lot with
the functionality of =. It's not a case of "Python already
has seven ways of assigning, so one more can't hurt."


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