On Feb 17, 9:57 am, [EMAIL PROTECTED] wrote: > > days_in_month = lambda m: m - 2 and 31 - ((m + 9) % 12 % 5 % 2) or 28 > > > the guts of which is slightly more elegant than the ancient writing > > from which it was derived: > > Lacks citation.
Maxima mea culpa. Pages 294-295 (in particular formula 23.12) in "MAPPING TIME\nThe Calendar and Its History", by E. G. Richards. OUP, 1998. ISBN 0-19-286205-7. -- http://mail.python.org/mailman/listinfo/python-list
