#coding=utf-8                                                                                                                                                                                 import json    data ={
   "update_time":"12982929921","version":"0.0.0","desc":{
   "hdw":{
   "desc":{
   "power":"1.0.0","motor":"1.0.0","imu":"1.0.0","sensor":"1.0.1"},"version":"0.0.2"},"soft":{
   "desc":{
   "web":"            1.0.0","server":"1.0.0","base":"1.0.0"},"version":"0.0.1"}}}        #写入    with open('tmp.json', 'w') as f:        json.dump(data, f)    try:        with open('tmp.json', 'r') as f:            k=json.load(f)            print(k)    except ValueError:        print("empty!")