1#!/usr/bin/env python
2
3import argparse
4import platform
5
6parser = argparse.ArgumentParser()
7parser.add_argument("--my_arg", "-a")
8
9args = parser.parse_args()
10
11answer = (platform.system() == "Windows" and
12          args.my_arg == "/dev/null" and "ERROR") or "OK"
13
14print(answer)
15