code: def get_mean_style(generator, device):
      mean_style = None
  
      for i in range(10):
          style = generator.mean_style(
              nd.random.randn(1024, 512, ctx=device)
          )
  
          if mean_style is None:
              mean_style = style
  
          else:
              mean_style += style
  
      mean_style /= 10
      return mean_style
  
file_path: gluon-cv/scripts/gan/stylegan/demo_stylegan.py
imports: import argparse
  import math
  import os
  import numpy
  from tqdm import tqdm
  from PIL import Image
  import mxnet
  import mxnet.ndarray
  from model import StyledGenerator
label_desc: Use image node_id 1 for calling a global function with example usage: get_mean_style(generator, device) and returns: mean_style