def test_is_leap_year_normal(self): year = 1976 self.assertTrue(is_leap_year(year))
def test_is_leap_year_400(self): year = 2000 self.assertTrue(is_leap_year(year))
def test_is_leap_year_100(self): year = 1900 self.assertFalse(is_leap_year(year))
def test_is_leap_year_normal_false(self): year = 1998 self.assertFalse(is_leap_year(year))