text: #!/usr/bin/env python
  # coding: utf-8 
  
  import json
  import os
  import logging
  
  logger = logging.getLogger(__name__)
  
  
  def parse_json(filename):
      if os.path.isfile(filename):
          with open(filename, 'r') as f:
              return json.load(f)
      else:
          logger.info(f"File {filename} does not exist.")
  
  
  def chunk(list, chunksize):
      """Yield successive n-sized chunks from list."""
      for i in range(0, len(list), chunksize):
          yield list[i:i + chunksize]