"Bulba!" wrote:
> Surely the variable i is a mutable object?
nope.
> OK, again:
>
>>>> def t(a,i=[0]):
> ... i[0]=i[0]+1
> ... return (a, i)
> ...
>>>> t(1)
> (1, [1])
>>>> t(3)
> (3, [2])
>>>> t(5)
> (5, [3])
>
> Yes, it works with the list. But why sharing value between calls
> pertains some mutable objects and not the other mutable objects?
a variable is not an object.
reset your brain, and read this:
http://www.effbot.org/zone/python-objects.htm
or the longer version:
http://starship.python.net/crew/mwh/hacks/objectthink.html
</F>
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