In this challenge, we’re looking at a modern type of pyjail escape. Upon first connecting, we’re informed about the source code of the challenge being available, so we can have a look at that first. #!/usr/bin/env python3 import pathlib import re import signal import sys import audit_sandbox if sys.version_info[:3] < (3, 8, 2): raise RuntimeError('Python version too old') WELCOME = f'''\ Welcome to PyAuCalc, an awesome calculator based on Python {'.