default argument value is mutable

[Marko Rauhamaa]

"D'Arcy J.M. Cain" <darcy at Vex.Net>:

> On Fri, 07 Oct 2016 16:09:19 +0200
> jmp <jeanmichel at sequans.com> wrote:
>> What about
>> 
>> def test():
>>    if not hasattr(test, '_store'): test._store={'x':0}
>>    test._store['x'] += 1
>
> Why is everyone working so hard to avoid creating a class?

Hear, hear!


Marko