Question about exausted iterators

[Fredrik Lundh]

Christophe wrote:

>>> Because I'm still waiting for a valid answer to my question. The 
>>> answer "Because it has been coded like that" or is not a valid one.
>>
>> it's been coded like that because that's what the specification says:
>>
>>     http://www.python.org/dev/peps/pep-0234/
> 
> I didn't though I had to mention that "Because the spec has been writen 
> like that" wasn't a valid answer either.

so what is a valid answer?

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