Mark Dickinson <dicki...@gmail.com> added the comment:
@David Ratcliffe > the sum of the first n positive integers is binomial(n+1, 2), and the formula > should still work if n is zero. I agree that's a convincing use-case. Can you think of any practical uses for allowing negative `k`? I can't. ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue35431> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
