How to throw error and exit with a custom message in python

Question

I\'ve seen people suggesting sys.exit() in Python. My question is that, is there any other way to exit the execution of current script, I mean termination, with an error.

<

Answer 1

I know this is an old thread, however you can also raise an error like this:

raise SystemExit('Error: 3 processes cannot run simultaneously.')

One advantage of this approach is that you don't have to import the Python sys module. This works on Linux with Python 3 and Python 2. I have not tested it on Windows or Mac OS.