code: def draw_circles(ax):
      """Draw circles in axes coordinates."""
      area = DrawingArea(width=40, height=20)
      area.add_artist(Circle((10, 10), 10, fc="tab:blue"))
      area.add_artist(Circle((30, 10), 5, fc="tab:red"))
      box = AnchoredOffsetbox(
          child=area, loc="upper right", pad=0, frameon=False
      )
      ax.add_artist(box)
  
file_path: matplotlib/galleries/examples/misc/anchored_artists.py
imports: from matplotlib import pyplot
  from matplotlib.lines import Line2D
  from matplotlib.offsetbox import AnchoredOffsetbox, AuxTransformBox, DrawingArea, TextArea, VPacker
  from matplotlib.patches import Circle, Ellipse
label_desc: Use image node_id 2 for calling a global function with example usage: draw_circles(ax) without return types