>>> bissextile = [b for b in range(2000, 2100)
...               if (b % 4 ==0 and b % 100 != 0) or (b % 400 == 0)]
>>> bissextile
[2000, 2004, 2008, 2012, 2016, 2020, 2024, 2028, 2032, 2036, 2040, 2044, 2048, 2052, 2056, 2060, 2064, 2068, 2072, 2076, 2080, 2084, 2088, 2092, 2096]