import wx

if __name__ == "__main__":
    app = wx.PySimpleApp()
    dlg = wx.MessageDialog(None, "Is this explanation OK?",
                          'A Message Box',
                          wx.YES_NO | wx.ICON_QUESTION)
    retCode = dlg.ShowModal()
    if (retCode == wx.ID_YES):
        print "yes"
    else:
        print "no"
    dlg.Destroy()

    retCode = wx.MessageBox("Is this way easier?", "Via Function",
            wx.YES_NO | wx.ICON_QUESTION)