str = json.dumps(jsonobj)
str = str(bytes,‘utf-8’)
json = json.loads(str)
参考：
https://www.cnblogs.com/xiandedanteng/p/9009964.html
https://www.cnblogs.com/z3286586/p/11038864.html
https://www.cnblogs.com/fqfanqi/p/7900758.html
原文：https://www.cnblogs.com/sea-stream/p/11204602.html