import wx
import wx.grid

class MainFrame(wx.Frame):
    def __init__(self, parent):
        super(MainFrame, self).__init__(parent)
        self.radioBox = wx.RadioBox(self, wx.ID_ANY, 
                'Csoport felirata', 
                choices=['első', 'második', 'harmadik'],
                majorDimension=1,
                style=wx.RA_SPECIFY_COLS
                )
        self.initUI()
        self.initLayout()
        
    def initUI(self):
        pass
        
    def initLayout(self):
        pass

class SimpleApp(wx.App):
    def OnInit(self):
        frame = MainFrame(None)
        frame.Show()
        return True

app = SimpleApp()
app.MainLoop()