code: def read_json(file_path):
      """
      :param str file_path: Path of json file
  
      >>> ReadUtil.read_json('file.json')
  
      """
      if os.path.exists(file_path):
          try:
              with open(file_path) as f:
                  return json.load(f)
          except:
              return None
      else:
          return None
  
label_desc: Use image node_id 1 for calling the ReadUtil obj's underlying member method code with example usage: obj.read_json(file_path) and returns: None, json, None