On 2012-12-06, Steven D'Aprano <steve+comp.lang.python at pearwood.info> wrote: > total = 0 > for s in list_of_strings: > try: > total += int(s) > except ValueError: > pass # Not a number, ignore it. If it's internal data, perhaps. Of course, that would mean I had the option of *not* creating that stupid list_of_strings. -- Neil Cerutti