code: def decode(self, z):
      h3 = self.relu(self.fc3(z))
      return self.sigmoid(self.fc4(h3))
  
file_path: dynet/examples/variational-autoencoder/basic-image-recon/vae.py
imports: from __future__ import print_function
  from utils import load_mnist, make_grid, pre_pillow_float_img_process, save_image
  import numpy
  import argparse
  import dynet
  import os
  import time
label_desc: Use image node_id 4 for calling the VAE obj's underlying member method code with example usage: obj.decode(z) and returns: self