[Python-Dev] PEP 572: Assignment Expressions

[Eric Fahlgren]

On Tue, Apr 17, 2018 at 2:23 AM, Chris Angelico <rosuav at gmail.com> wrote:

> Augmented assignment is currently all of these:
>
> augassign: ('+=' | '-=' | '*=' | '@=' | '/=' | '%=' | '&=' | '|=' | '^=' |
>             '<<=' | '>>=' | '**=' | '//=')
>
> I'm actually not sure whether the augmented-assignment-expression
> operators should be "+:=" or ":+=", but either way, it'd be another
> thirteen tokens, some of which would be *four* character tokens.
>

​Or simply rework the augmented assignment's semantics to become expression
operators without any syntactic changes.  Since there's no bug magnet
arising in the usual context where '=' and '==' get confused:

> if x += 1 < 2:
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