On Sun, Jan 6, 2019 at 9:34 AM Avi Gross <avigr...@verizon.net> wrote: > I recall an example from a version of mathematical LISP that I will rewrite > in python for illustration: > > def is_greater(left, right): > if left <= 0 : return False > if right <= 0 : return True > return is_greater(left - 1, right - 1)
Possibly: if left <= 0: return is_greater(-right, -left) Otherwise it will give incorrect results for, eg, is_greater(-10, -11) But your point is taken. ChrisA -- https://mail.python.org/mailman/listinfo/python-list