code: def print_help():
      print(
          "Available Commands: \n"
          + " >> help: Display this help menu\n"
          + " >> exit / quit: Exit interactive mode\n"
          + " >> restart / clear: Restart the conversation and erase the bot's memory\n"
          + " >> vocab: Display usable vocabulary\n"
          + " >> allow_oov: Allow out of vocab words to be replaced with <OOV> token\n"
          + " >> show_memory: Display the current contents of the bot's memory\n"
      )
  
file_path: nlp-architect/examples/memn2n_dialogue/interactive_utils.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  import itertools
  from builtins import input
  from copy import copy
  from functools import reduce
  import numpy
label_desc: Use image node_id 4 for calling a global function with example usage: print_help() without return types