code: def encode(self, x):
      h1 = self.relu(self.fc1(x))
      return self.fc21(h1), self.fc22(h1)
  
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 2 for calling the VAE obj's underlying member method code with example usage: obj.encode(x) and returns: self,  self