RosettaCodeData/Task/Window-creation/Python/window-creation-3.py

  from wxPython.wx import *

  class MyApp(wxApp):
    def OnInit(self):
      frame = wxFrame(NULL, -1, "Hello from wxPython")
      frame.Show(true)
      self.SetTopWindow(frame)
      return true

  app = MyApp(0)
  app.MainLoop()