sum for sequences?

[Steve Holden]

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)
> 
> ?
> 
> (By "sequence" I'm referring primarily to lists and tuples, and
> excluding strings, since for these there is ''.join()).
> 
Do you mean you want to flatten a list structure? There have been
several discussions about this, which Google will find for you quite easily.

regards
 Steve
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