text: import argparse
  
  parser = argparse.ArgumentParser(add_help=True)
  
  parser.add_argument('-a', action="store_true", default=False)
  parser.add_argument('-b', action="store", dest="b")
  parser.add_argument('-c', action="store", dest="c", type=int)
  
  print('print_usage output:')
  parser.print_usage()
  print()
  
  print('print_help output:')
  parser.print_help()
  