def testStartsWith (self):
self.assertTrue (List (1, 2, 3).startsWith (List (1, 2)))
self.assertTrue (Nil.startsWith (Nil))
self.assertFalse (List (1, 2, 3).startsWith (List (2, 3)))
self.assertFalse (List (1).startsWith (List (1, 2)))
pass
