code: def gauss_2(d):
      """Computes second Gaussian interaction term.
  
      Note that d must be in Angstrom.
      """
      return tf.exp(-(((d - 3) / 2) ** 2))
  
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import unicode_literals
  import warnings
  import numpy
  import tensorflow
  from deepchem.models import Model
  from deepchem.nn import model_ops
  import deepchem.utils.rdkit_util
label_desc: Use image node_id 9 for calling a global function with example usage: gauss_2(d) and returns: tf