gistfile1.txt

#! /usr/bin/env python3                                                         
# -*- coding: utf-8; indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
                                                                                
def main():                                                                     
    from gi.repository import Gtk                                               
    dialog = Gtk.Dialog("DEBUG")                                                
    dialog.add_buttons("Close", Gtk.ResponseType.CLOSE)                         
    dialog.run()                                                                
    print("Hello World!")                                                       
    dialog.destroy()                                                            
    import time                                                                 
    time.sleep(3)                                                               
                                                                                
if __name__ == '__main__':                                                      
    main()                                                                      
                                                                                
# vim:fileencodings=utf-8:expandtab:tabstop=4:shiftwidth=4:softtabstop=4