python sys exit not working

The sys module in Python provides access to some variables used or maintained by the interpreter and to functions that interact with the interpreter. Import the sys module at the beginning of your script:
Here is a basic example demonstrating its usage:
a. Exception Handling:
If the SystemExit exception is caught and handled using a try...except block, the program might not exit as expected:
b. Threads:
a. Using os._exit() as a Last Resort:
If you need an immediate exit without cleanup or finalization, you can use os._exit():
b. Ensuring Proper Program Termination:
ChatGPT