On 6 July 2013 13:59, Russel Walker <russ.po...@gmail.com> wrote: > Since I've already wasted a thread I might as well... > > Does this serve as an acceptable solution? > > def supersum(sequence, start=0): > result = type(start)() > for item in sequence: > try: > result += supersum(item, start) > except: > result += item > return result
It's probably more robust to do: def supersum(sequence, start=0): for item in sequence: try: result = result + supersum(item, start) except: result = result + item return result as that way you aren't assuming the signature of type(start). -- http://mail.python.org/mailman/listinfo/python-list