text: # Demonstration of a program that uses command line arguments
  import argparse
  
  parser = argparse.ArgumentParser()
  parser.add_argument("numbers", nargs="*", help="List of numbers to add.")
  parser.add_argument("--to_int", help="Converts the sum to integer", action="store_true")
  
  
  total = 0
  args = parser.parse_args()
  
  for number in args.numbers:
      total += float(number)
  
  if int(total) == total and args.to_int:
      total = int(total)
  
  print("The sum is", total)
  