len()

[Tino Wildenhain]

Marco Mariani wrote:
> Pat wrote:
> 
>> Why didn't you answer the len() question?
> 
> It's a bit of a FAQ: len() cannot be a method of list objects because it 
> works on any sequence or iterable.

Thats only half of the truth :-)

len() can use some internal optimizations on certain objects
where sequences indeed have a len() method called __len__()

Regards
Tino
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