def _(): assert mf.divide_num(200662, 28666) == 7
def _(): assert mf.divide_num(93.6, 15.6) == 6
def _(): assert mf.divide_num(6, 3) == 2
def _(): assert mf.divide_num(7, 2) == 3.5
def _(): mf.divide_num(3, 0)