code: def _annotate(ax, x, y, title):
      # this all gets repeated below:
      X, Y = np.meshgrid(x, y)
      ax.plot(X.flat, Y.flat, "o", color="m")
      ax.set_xlim(-0.7, 5.2)
      ax.set_ylim(-0.7, 3.2)
      ax.set_title(title)
  
label_desc: Use image node_id 1 for calling a global function with example usage: _annotate(ax, x, y, title) without return types