Guido van Rossum <guido@python.org> writes:
> But still, what should sum([]) do?
It should raise a ValueError("no values to sum"). In practice, I
expect it won't matter, because users will typically have values to
sum. If they don't, telling them to write sum(L or [0]) is easy
enough. There should be preferably only one obvious way to do it.
Regards,
Martin