In article <[EMAIL PROTECTED]>,
Paul Rubin  <http://[EMAIL PROTECTED]> wrote:
>Robin Becker <[EMAIL PROTECTED]> writes:
>> >>>>>reduce(operator.add,a)
>> ...
>That's what I hoped "sum" would do, but instead it barfs with a type
>error.  So much for duck typing.

sum(...)
    sum(sequence, start=0) -> value

If you're using sum() as a 1-level flatten you need to give it
start=[].

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