Install the following modules:

~ pip install psutil
~ pip install plyer

Import the following modules:

 from plyer import notification
 import psutil
 import time

Use of plyer

• Used as a Desktop Notifier.
• It produces a Notification Message in form of a POP-UP Message on Desktop.

Use of psutil

• Used to access system details and process utilities.
• Usage of resources like CPU, memory, disks, network, sensors can be monitored by the use of this module.