def store_multiple(option, opt, value, parser, *args, **kwargs):
 for attribute in args:
  setattr(parser.values, attribute, None)
 for (key, value) in kwargs.items():
  setattr(parser.values, key, value)

def store_multiple ( option , opt , value , parser , * args , ** kwargs ) : for attribute in args : setattr ( parser . values , attribute , None ) for ( key , value ) in kwargs . items ( ) : setattr ( parser . values , key , value )
store multiple values in parser .