def test_loop_input_other_number(self): self.assertEqual(loop_input('5'), -1)
def test_loop_input_string(self): self.assertEqual(loop_input('sdas'), -1)
def test_loop_input_empty(self): self.assertEqual(loop_input(''), -1)
def test_loop_input_null(self): self.assertEqual(loop_input(None), -1)
def test_loop_input_true(self): self.assertEqual(loop_input(1), 1)