def test_wc_type(self): assert lp(" ` ") == False assert lp("Hello") == False assert lp("2000") != False
def test_wc_correct(self): assert lp(2000) == True assert lp(1999) == False assert lp(4) == True
def test_wc_null(self): assert lp(-1) == False assert lp(" ") == False assert lp(0) == False
def test_corrrectness(self): self.assertEqual(lp(2000), True) self.assertEqual(lp(1999), False) self.assertEqual(lp(0), False)
def test_null(self): self.assertEqual(lp("-1"), False) self.assertEqual(lp(" "), False) self.assertEqual(lp(" "), False) self.assertNotEqual(lp(" "), False)
def test_type(self): self.assertEqual(lp("!"), False) self.assertEqual(lp(" ```"), False) self.assertNotEqual(lp(2000), False) self.assertNotEqual(lp(4), False)