code: def get_function_info():
      functions = OrderedDict()
      for category_name, category in get_category_info().items():
          for function_name, function in category.items():
              functions[function_name] = function
      return functions
  
imports: import pickle
  import zlib
  from collections import OrderedDict
  from os.path import abspath, join, dirname, expanduser
  import glob
  import os
  import yaml
  import certifi
  import ssl
  from nnabla.utils import nnabla_pb2
  from nnabla.logger import logger
label_desc: Use image node_id 16 for calling a global function with example usage: get_function_info() and returns: functions