def askyesno(title=None, message=None, **options):
 s = _show(title, message, QUESTION, YESNO, **options)
 return (s == YES)

def askyesno ( title = None , message = None , ** options ) : s = _show ( title , message , QUESTION , YESNO , ** options ) return ( s == YES )
ask a question; return true if the answer is yes .