import mmw
screen = mmw.Screen()
window = mmw.Window('Our window')
screen.add_window(window)  # Link the window to the screen
window.text = "Let's add some text"
window.buttons = ['And', 'some', 'buttons']
window.selectedButton = 0  # Select the first button
screen.clear()  # Screen.draw() doesn't clear the screen by itself
screen.draw()  # Draw the screen
screen.get_char()  # Wait until the user presses a key