import appuifw, e32def photo():    appuifw.note(u"Cheese!")def darken():    appuifw.note(u"I can't see a thing!")def lighten():    appuifw.note(u"My eyes are burning!")def quit():    print "WANNABE PHOTOEDITOR EXITS"    app_lock.signal()appuifw.app.exit_key_handler = quitappuifw.app.title = u"PhotoEditor"appuifw.app.menu = [(u"Take Photo", photo), (u"Edit photo",    ((u"Darken", darken), (u"Lighten", lighten)))]print "WANNABE PHOTOEDITOR STARTED"app_lock = e32.Ao_lock()app_lock.wait()