修改无穷层次最里层的值，修改层次,>>> def getL

修改无穷层次最里层的值，修改层次,>>> def getL

>>> def getList(data):    if isinstance(data,dict):        for i in data:        path.append(i)        getList(data[i])>>> def set_value(path, dd, value):    def get_path(path):        if len(path):            if len(path)==1:                return {path[0]:value}            return {path[0]:get_path(path[1:])}    dd.update(get_path(path))    return dd>>> a =  {1:{2:{3:{4:{5:{6:{7:{8:9}}}}}}}}>>> a{1: {2: {3: {4: {5: {6: {7: {8: 9}}}}}}}}>>> path = []>>> getList(a)>>> path[1, 2, 3, 4, 5, 6, 7, 8]>>> set_value(path,a,993){1: {2: {3: {4: {5: {6: {7: {8: 993}}}}}}}}