Test program for Python argparse module

argparse_test.py

#!/usr/bin/env python3

"""Test program for argparse module."""

import argparse

def main():
  parser = argparse.ArgumentParser(
    description='Test Python argparse module.',
    epilog='This script doesn\'t do anything useful.'
  )
  parser.add_argument('-v', '--verbose', help='verbose output', action='count', default=0)
  parser.add_argument('-d', '--debug', help='enable debug mode', action='store_true')
  parser.add_argument('-o', '--output', help='set output directory', metavar='<path>')
  parser.add_argument('args', nargs='*', help='positional arguments')
  args = parser.parse_args()

  print(f'{vars(args)}')

if __name__ == '__main__':
  main()