def test_is_arithmetic_sequence_true_1(self): self.assertTrue(is_arithmetic_sequence([1, 2, 3]))
def test_is_arithmetic_sequence_false_1(self): self.assertFalse(is_arithmetic_sequence([]))
def test_is_arithmetic_sequence_false_2(self): self.assertFalse(is_arithmetic_sequence([1487, 4817, 8148]))
def test_is_arithmetic_sequence_true_4(self): self.assertTrue(is_arithmetic_sequence([1487, 4817, 8147]))
def test_is_arithmetic_sequence_true_6(self): self.assertTrue(is_arithmetic_sequence([4817, 1487, 8147, 11477]))
def test_is_arithmetic_sequence_true_1(self): self.assertTrue(is_arithmetic_sequence([1, 2, 3]))
def test_is_arithmetic_sequence_false_2(self): self.assertFalse(is_arithmetic_sequence([1487, 4817, 8148]))
def test_is_arithmetic_sequence_false_1(self): self.assertFalse(is_arithmetic_sequence([]))
def test_is_arithmetic_sequence_true_6(self): self.assertTrue(is_arithmetic_sequence([4817, 1487, 8147, 11477]))
def test_is_arithmetic_sequence_true_4(self): self.assertTrue(is_arithmetic_sequence([1487, 4817, 8147]))