text: # -*- coding: utf-8 -*-
  """
  Created on Wed Jun  5 16:25:58 2019
  
  @author: lenovo
  """
  import argparse
  parser = argparse.ArgumentParser(description='Process some integers.')
  parser.add_argument('integers', metavar='N', type=int, nargs='+',
                      help='an integer for the accumulator')
  
  parser.add_argument('--sum', dest='accumulate', action='store_const',
                      const=sum, default=max,
                      help='sum the integers (default: find the max)')
  
  args = parser.parse_args()
  print(args.accumulate(args.integers))