+= as declaration wish

[Erik Max Francis]

"Gregory (Grisha) Trubetskoy" wrote:

> Am I missing something obvious when I think that it'd be nice if you
> could
> do:
> 
> x += 3
> 
> and if x didn't exist, += would simply act like = rather than raise an
> exception.

Avoiding such magic like this is what makes Python a well-designed
language.  If you want x to default to something, you can set it to that
yourself before you start using +=.  (Besides, what should it default to
for ints? strings? lists? user-defined types?)

-- 
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