code: def discrete_action_normalizer(feats):
      return normalizer_helper(feats, "DISCRETE_ACTION")
  
file_path: ReAgent/reagent/gym/normalizers.py
imports: import collections
  import logging
  import numpy
  from reagent.core.parameters import NormalizationParameters
label_desc: Use image node_id 2 for calling a global function with example usage: discrete_action_normalizer(feats) and returns: normalizer_helper