new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  from pymisp import PyMISP
  from keys import misp_url, misp_key
  import argparse
  
  # For python2 & 3 compat, a bit dirty, but it seems to be the least bad one
  try:
      input = raw_input
  except NameError:
      pass
  
  
  def init(url, key):
      return PyMISP(url, key, True, 'json', debug=True)
  
  if __name__ == '__main__':
      parser = argparse.ArgumentParser(description='Create an event on MISP.')
      parser.add_argument("-e", "--event", type=int, help="The id of the event to update.")
      parser.add_argument("-t", "--type", help="The type of the added attribute")
      parser.add_argument("-v", "--value", help="The value of the attribute")
      args = parser.parse_args()
  
      misp = init(misp_url, misp_key)
  
      event = misp.get_event(args.event)
      event = misp.add_named_attribute(event, args.type, args.value)
      print(event)
  
subject: add example add_named_argument.py