write me a script that shows all the devices connected on the wifi and then change those devices volume

I am looking for a script that can help me identify all the devices connected to my WiFi network and then change the volume of those devices. The script will be used on a MacOS operating system and should have the capability to change the volume of devices both automatically and manually.

Ideal Skills and Experience:
- Experience in scripting and programming for MacOS
- Proficiency in network scanning and device identification
- Knowledge of volume control and manipulation for connected devices
- Ability to create a user-friendly interface for manual volume control
- Strong problem-solving skills to ensure smooth operation of the script