class MainWindow(tk.Frame): def __init__(self, master=None): tk.Frame.__init__(self, master) self.master = master self.welcomeScreen = WelcomeScreen(self, master) self.serverScreen = ServerScreen(self, master) self.welcomeScreen.show() def goToServerScreen(self): print("Going to server screen") self.welcomeScreen.hide() self.serverScreen.show() def goToWelcomeScreen(self): print("Going to welcome screen") self.serverScreen.hide() self.welcomeScreen.show()