def test_is_none_2(self): self.assertIsNone(find_a_b([0, 0, 2], 4))
def test_equal_8(self): self.assertEqual(find_a_b([-3, -2, -1, 0, 1, 2, 3, 4], 4), [1, 4])
def test_is_none_1(self): self.assertIsNone(find_a_b([1, 2, 3], 7))
def test_equal_5(self): self.assertEqual(find_a_b([0, 0, 2, 2], 4), [2, 2])
def test_equal_7(self): self.assertEqual(find_a_b([-3, -2, -2, -1, 0, 1, 2, 3, 4], 0), [-3, 0])
def test_equal_4(self): self.assertEqual(find_a_b([1, 2, 3, 4, 5, 6], 15), [3, 5])
def test_equal_1(self): self.assertEqual(find_a_b([1, 2, 3], 3), [1, 3])
def test_equal_2(self): self.assertEqual(find_a_b([1, 2, 3], 6), [2, 3])
def test_equal_7(self): self.assertEqual( find_a_b([-3, -2, -2, -1, 0, 1, 2, 3, 4], 0), [-3, 0] )
def test_equal_3(self): self.assertEqual(find_a_b([1, 2, 3, 6], 6), [1, 6])