code: def add_layer(self, layer):
      self.layers.append(layer)
      for p in layer.params:
          self.params.append(p)
  
      if hasattr(layer, "other_updates"):
          for y in layer.other_updates:
              self.other_updates[y[0]] = y[1]
  
imports: from __future__ import absolute_import, print_function, division
  import theano
  import theano.tensor
  import numpy
label_desc: Use image node_id 2 for calling the Model obj's underlying member method code with example usage: obj.add_layer(layer) without return types