How to read the response json in python template

Have you tried running the msg thru the json node?
Also you should provide an export of your flow since no one can see you settings or function code.

In order to make code readable and usable it is necessary to surround your code with three backticks (also known as a left quote or backquote ```)

``` 
   code goes here 
```

You can edit and correct your post by clicking the pencil :pencil2: icon.

See this post for more details - How to share code or flow json