code: def setup_plot():
      fig, ax = plt.subplots()
      fig.set_figheight(4.5)
      fig.set_figwidth(4.7)
  
      if FLAGS.transparent:
          fig.patch.set_alpha(0)
  
      return fig, ax
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import math
  import os
  import sys
  from absl import app
  from absl import flags
  import matplotlib
  import matplotlib.pyplot
  import numpy
  import core
  import random
label_desc: Use image node_id 1 for calling a global function with example usage: setup_plot() and returns: fig,  ax