def test_bad_multiplier(a):
    try:
        x = (a * (- 1))
        assert False
    except AssertionError:
        assert False
    except Exception:
        pass
def test_bad_multiplier(a):
    try:
        x = (a * (- 1))
        assert False
    except AssertionError:
        assert False
    except Exception:
        pass