code: def create_plot():
      fig, ax = plt.subplots()
  
      x = np.linspace(-2, 2, 20)
      y = x[:, None]
      X = np.zeros((20, 20, 4))
  
      X[:, :, 0] = np.exp(-((x - 1) ** 2) - (y) ** 2)
      X[:, :, 1] = np.exp(-((x + 0.71) ** 2) - (y - 0.71) ** 2)
      X[:, :, 2] = np.exp(-((x + 0.71) ** 2) - (y + 0.71) ** 2)
      X[:, :, 3] = np.exp(-0.25 * (x**2 + y**2))
  
      im = ax.imshow(
          X,
          extent=(10, 20, 10, 20),
          origin="lower",
          zorder=1,
          interpolation="nearest",
      )
      fig.colorbar(im, ax=ax)
  
      ax.text(16, 16, "overlaid text")
      ax.text(16, 15, "covered text", zorder=0)
  
      ax.set_title("An Image", size=20)
      ax.set_xlim(9, 21)
      ax.set_ylim(9, 21)
      return fig
  
imports: import matplotlib.pyplot
  import numpy
  import mpld3
label_desc: Use image node_id 1 for calling a global function with example usage: create_plot() and returns: fig