def testr_fibbs_9():
    assert (fibbs_r(9) == 34)
def testr_fibbs_5():
    assert (fibbs_r(5) == 5)
def testr_fibbs_3():
    assert (fibbs_r(3) == 2)
def testr_fibbs_2():
    assert (fibbs_r(2) == 1)
def testr_fibbs_1():
    assert (fibbs_r(1) == 1)
def testr_fibbs_0():
    assert (fibbs_r(0) == 0)