On Mar 24, 5:29 pm, kj <no.em... at please.post> 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()). > > TIA! > > ~K try itertools.chain