import wx
 
class MainFrame(wx.Frame):
    def __init__(self, parent, title):
        super(MainFrame, self).__init__(parent, title=title)
        self.button1 = wx.Button(self, label='Mehet')
        self.button1.Bind(wx.EVT_BUTTON, self.onClickButton1)
    def onClickButton1(self, event):
        dial = wx.MessageDialog(None, 'Üzenet', 'Info', wx.OK)
        dial.ShowModal()
 
app = wx.App()
frame = MainFrame(None, 'Valami')
frame.Show()
app.MainLoop()