On Thu, Jan 28, 2010 at 1:22 AM, Muhammad Ali <ali....@gmail.com> wrote: > > Hi, > > I am multipliying two lists so that each of list As elements get multiplied > to the corresponding list Bs. Then I am summing the product. > > For example, A= [1, 2, 3] and B=[2, 2, 2] so that I get [2, 4, 6] after > multiplication and then sum it to get 12. I can do it using map like this: > > sum(map(lambda i,j:i*j, A, B))
You don't need a lambda, use operator.mul(): sum(map(operator.mul, A, B)) Kent _______________________________________________ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
