wxPython - Attach() function in wx.MenuBar

import wx


class Example(wx.Frame):

    def __init__(self, *args, **kwargs):
        super(Example, self).__init__(*args, **kwargs)

        self.InitUI()

    def InitUI(self):

        self.locale = wx.Locale(wx.LANGUAGE_ENGLISH)
        self.menubar = wx.MenuBar()
        self.fileMenu = wx.Menu()

        self.item = wx.MenuItem(self.fileMenu, 1, '&Check', 
                                  helpString ="Check Help")
        self.item.SetBitmap(wx.Bitmap('right.png'))

        # SET BLUE COLOUR FOR TEXT FORMAT(R, B, G, A)
        self.item.SetTextColour((79, 81, 230, 255))
        self.fileMenu.Append(self.item)
        self.menubar.Append(self.fileMenu, '&File')

        # Attach menubar to frame
        self.menubar.Attach(self)
        self.SetSize((350, 250))
        self.SetTitle('Icons and shortcuts')
        self.Centre()

def main():
    app = wx.App()
    ex = Example(None)
    ex.Show()
    app.MainLoop()


if __name__ == '__main__':
    main()