create boolean

Fencer no.spam at plz.ok
Fri Mar 6 14:24:40 CET 2009

Hi, I need a boolean b to be true if the variable n is not None and not 
an empty list, otherwise b should be false.
I ended up with:
b = n is not None and not not n
which seems to work but is that normally how you would do it?
It can be assumed that n is always None or a list that might be empty

- Fencer

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