sum for sequences?

[TomF]

On 2010-03-24 14:07:24 -0700, Steven D'Aprano 
<steven at REMOVE.THIS.cybersource.com.au> said:
> On Wed, 24 Mar 2010 15:29:07 +0000, kj wrote:
> 
>> Is there a sequence-oriented equivalent to the sum built-in?  E.g.:
>> 
>> seq_sum(((1, 2), (5, 6))) --> (1, 2) + (5, 6) --> (1, 2, 5, 6)
>> 
>> ?
> 
> Yes, sum.
> 
> help(sum) is your friend.

You might not want to be so glib.  The sum doc sure doesn't sound like 
it should work on lists.

    Returns the sum of a sequence of numbers (NOT strings) plus the value
    of parameter 'start' (which defaults to 0).

-Tom