code: def update():
      global x, y, l1, l2, jb
      dx, dy = jb.getState()
      x += dx * 1e-3
      y += dy * 1e-3
      l1.setValue(x)
      l2.setValue(y)
  
label_desc: Use image node_id 1 for calling a global function with example usage: update() without return types