code: def _get_rand_id():
      """
      :return: The string of a random id using uuid4
      """
      return str(uuid.uuid4())
  
file_path: ParlAI/parlai/chat_service/services/terminal_chat/client.py
imports: import json
  import uuid
  import websocket
  import time
  import threading
  from parlai.core.params import ParlaiParser
label_desc: Use image node_id 1 for calling a global function with example usage: _get_rand_id() and returns: str