def button_event_cb(e):
  print("Clicked")

# Create a Button and a Label
button = lv.button(lv.screen_active())
button.center()
button.set_size(100, 50)
button.add_event_cb(button_event_cb, lv.EVENT.CLICKED, None)

label = lv.label(button)
label.set_text("Button")
label.center()