Help me fix a problem

[Spencer Du]

On Friday, 6 September 2019 20:15:40 UTC+2, MRAB  wrote:
> On 2019-09-06 18:11, Spencer Du wrote:
> > Hi
> > 
> > I want to print yes in gui.py but it does not get printed because of the json. How do I fix this. Execute embedded.py and then gui.py to test.
> > 
> > def on_message(client, userdata, msg):
> > 	print("message recieved= " + msg.payload.decode())
> > 	# print("File which you want to import(with .py extension)")
> > 	print("message topic=", msg.topic)
> > 	print("message qos=", msg.qos)
> > 	print("message retain flag=", msg.retain)
> > 	
>  > 	if msg.payload[name] == "Hello world!":
>  > 		print("Yes!")
>  >
> What is the value of the variable called 'name'? Or did you intend that 
> to be a string?
> 
> 	if msg.payload["name"] == "Hello world!":
> 		print("Yes!")


{"name": "Hello world!"} is a key value pair.