code: def get_demo_image():
      z = cbook.get_sample_data(
          "axes_grid/bivariate_normal.npy"
      )  # 15x15 array
      return z, (-3, 4, -4, 3)
  
file_path: matplotlib/galleries/examples/axes_grid1/demo_axes_divider.py
imports: import matplotlib.pyplot
  from matplotlib import cbook
label_desc: Use image node_id 1 for calling a global function with example usage: get_demo_image() and returns: z,  unknown,  int,  unknown,  int