code: def merge_two_dicts(x, y):
      z = x.copy()
      z.update(y)
      return z
  
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import unicode_literals
  import warnings
  import numpy
  import tensorflow
  from deepchem.nn.copy import Input
  from deepchem.feat.mol_graphs import ConvMol
label_desc: Use image node_id 1 for calling a global function with example usage: merge_two_dicts(x, y) and returns: z