code: def load_config(filename):
      
      config = None
      if os.path.isfile(filename) and os.access(filename, os.R_OK):
          with open(filename, 'r') as fh:
              config = json.loads(fh.read())
      return config
docs: load_config
  
  This function will take in a file location on the file system and extract the
  JSON content found within and return a python-interpretted form of the object.