code: def draw_circle(ax):
      """
      Draw a circle in axis coordinates
      """
      from matplotlib.patches import Circle
      from mpl_toolkits.axes_grid1.anchored_artists import (
          AnchoredDrawingArea,
      )
  
      ada = AnchoredDrawingArea(
          20, 20, 0, 0, loc="upper right", pad=0.0, frameon=False
      )
      p = Circle((10, 10), 10)
      ada.da.add_artist(p)
      ax.add_artist(ada)
  
imports: import matplotlib.pyplot
label_desc: Use image node_id 2 for calling a global function with example usage: draw_circle(ax) without return types