code: def add_2d_scatter(ax, points, points_color, title=None):
      x, y = points.T
      ax.scatter(x, y, c=points_color, s=50, alpha=0.8)
      ax.set_title(title)
      ax.xaxis.set_major_formatter(ticker.NullFormatter())
      ax.yaxis.set_major_formatter(ticker.NullFormatter())
  
imports: import matplotlib.pyplot
  import mpl_toolkits.mplot3d
  from matplotlib import ticker
  from sklearn import datasets, manifold
label_desc: Use image node_id 3 for calling a global function with example usage: add_2d_scatter(ax, points, points_color, title) without return types