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)