How to find out if february has 29 or 28 days ?

[John Baxter]

In article <ai6fls$8kl$1 at wanadoo.fr>,
 Eric Brunel <eric.brunel at pragmadev.com> wrote:

> A year is a leap year if it can be divided by 4, except if it can be 
> divided by 100, where it's a leap year only if it can be divided by 400. It 
> sounds awful to compute, but in Python, it's actually quite simple:

With ongoing discussion of a potential y4k exception exception exception 
(not leap year) to adjust just a bit more finely.  For most purposes, we 
have time to deal with that one.

  --John