On Wed, Oct 22, 2008 at 12:59 PM, Henry Chang <[EMAIL PROTECTED]> wrote: > This seems like a simple problem, but I can't find a simple solution. > > Suppose I have two lists of integers. > > List A = [A1, A2, A3] > List B = [B1, B2, B3] > > I just simply want a new list, such as: > > List C = [C1, C2, C3] > > where: > > C1 = A1 + B1 > C2 = A2 + B2 > C3 = A3 + B3 > > Is there a simple function to do this?
A one-liner in fact: summed = [sum(pair) for pair in zip(listA, listB)] Explanation: pairs up the elements of listA and listB, sums each pair, constructs a list of the sums. Cheers, Chris -- Follow the path of the Iguana... http://rebertia.com > > Thanks so much? > > -- > http://mail.python.org/mailman/listinfo/python-list > > -- http://mail.python.org/mailman/listinfo/python-list