How to turn off all computers in the computer science classroom using only python?

Question

Python

How to turn off all computers in the computer science classroom using only python?

Answer 1

Implementation 1: Server, on each computer, which, when requested, executes a system command that will turn off the computer. The request can be made through another device.
Implementation 2: Well, or make a scheduler that will execute the same business logic, only at a certain time, which is the same for each
computer /chat will execute the business logic

Answer 2

ssh server and all. We connect in a cycle, execute the shutdown command and it's done =)