Why x+=1 doesn't return x value instead of an object

Chris Angelico rosuav at gmail.com
Fri Oct 30 23:20:59 EDT 2020


On Sat, Oct 31, 2020 at 1:51 PM Jon Ribbens via Python-list
<python-list at python.org> wrote:
>
> On 2020-10-31, Stefan Ram <ram at zedat.fu-berlin.de> wrote:
> > Siddhharth Choudhary <siddharth654choudhary at gmail.com> writes:
> >>I want to know why x+=1 does not return the value of the variable.
> >
> >   Which value? The old or the new one?
> >
> >   Expressions never return values.
>
> Except when they're assignment expressions, when they do.

Expressions DO have values, but assignment is a statement, not an
expression. (Assignment expressions don't have augmented forms, so
there's no ambiguity.)

ChrisA


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