new_contents: from chatterbot import ChatBot
  import logging
  
  
  '''
  This is an example showing how to train a chat bot using the
  ChatterBot Corpus of conversation dialog.
  '''
  
  # Enable info level logging
  logging.basicConfig(level=logging.INFO)
  
  chatbot = ChatBot(
      'Example Bot',
      trainer='chatterbot.trainers.ChatterBotCorpusTrainer'
  )
  
  # Start by training our bot with the ChatterBot corpus data
  chatbot.train(
      'chatterbot.corpus.english'
  )
  
  # Now let's get a response to a greeting
  response = chatbot.get_response('How are you doing today?')
  print(response)
  
subject: Add corpus training example