def test_fibbs_3():
    assert (fibbs(3) == 2)
def test_fibbs_2():
    assert (fibbs (2) == 1)
def test_fibbs_1():
    assert (fibbs(1) == 1)
def test_fibbs_0():
    assert (fibbs(0) == 0)
def test_fibbs_9():
    assert (fibbs(9) == 34)
def test_fibbs_5():
    assert (fibbs(5) == 5)