code: def output(self, input, **kwargs):
      tf.add_to_collection(self.name, input)
      return input
  
file_path: neupy/examples/autoencoder/variational_autoencoder.py
imports: import numpy
  import tensorflow
  import matplotlib.pyplot
  import matplotlib.gridspec
  from sklearn import model_selection, datasets
  from neupy import algorithms
  from neupy.layers import *
  from neupy.exceptions import LayerConnectionError
label_desc: Use image node_id 1 for calling the Collect obj's underlying member method code with example usage: obj.output(input) and returns: input