def test_equals_2(self): self.assertEqual(arr2bin([1, 2, 3, 4, 5]), '1111')
def test_equals_(self): self.assertEqual(arr2bin([1, 2]), '11')
def test_false(self): self.assertFalse(arr2bin([1, 2, 'a']))
def test_false_2(self): self.assertFalse(arr2bin([94, 23, 73, True, 61]))
def test_equals_3(self): self.assertEqual(arr2bin([1, 10, 100, 1000]), '10001010111')