def test_false_9(self): self.assertFalse(valid_card('5457 6238 0254 4311'))
def test_false_7(self): self.assertFalse(valid_card('5457 6238 9323 1252'))
def test_false_8(self): self.assertFalse(valid_card('5457 6238 1251 4311'))
def test_false_16(self): self.assertFalse(valid_card('0123 4567 8901 2345'))
def test_true_4(self): self.assertTrue(valid_card('4444 4444 4444 4448'))
def test_false_12(self): self.assertFalse(valid_card('0025 2521 9323 4311'))
def test_false_14(self): self.assertFalse(valid_card('5458 4444 9323 4311'))
def test_true_11(self): self.assertTrue(valid_card('1234 5678 9012 3452'))
def test_true_12(self): self.assertTrue(valid_card('5555 5555 5555 5557'))
def test_true_9(self): self.assertTrue(valid_card('8888 8888 8888 8888'))
def test_true_10(self): self.assertTrue(valid_card('1111 1111 1111 1117'))
def test_true_7(self): self.assertTrue(valid_card('0000 0000 0000 0000'))
def test_true_6(self): self.assertTrue(valid_card('6666 6666 6666 6664'))
def test_true_5(self): self.assertTrue(valid_card('3333 3333 3333 3331'))
def test_false_10(self): self.assertFalse(valid_card('5457 1111 9323 4311'))
def test_false_2(self): self.assertFalse(valid_card('5457 6238 5568 4311'))
def test_false_11(self): self.assertFalse(valid_card('1145 6238 9323 4311'))
def test_false_5(self): self.assertFalse(valid_card('1252 6238 9323 4311'))
def test_false_13(self): self.assertFalse(valid_card('5457 6238 9323 4311'))
def test_false_6(self): self.assertFalse(valid_card('0000 0300 0000 0000'))
def test_false_15(self): self.assertFalse(valid_card('5457 6238 3333 4311'))
def test_true_1(self): self.assertTrue(valid_card('5457 6238 9823 4311'))
def test_true_2(self): self.assertTrue(valid_card('2222 2222 2222 2224'))
def test_true_3(self): self.assertTrue(valid_card('9999 9999 9999 9995'))