code: def exit(self):
      import sys
  
      sys.exit(0)
  
file_path: PARL/parl/remote/tests/actor_status_test.py
imports: import unittest
  import parl
  from parl.utils.test_utils import XparlTestCase
  import time
  from parl.remote.exceptions import RemoteError
label_desc: Use image node_id 3 for calling the Actor obj's underlying member method code with example usage: obj.exit() without return types