code: def record_results(checkers):
      res = ""
      for k in checkers.keys():
          check_result = checkers[k].check_result()
          res += f"{str(k):10} {check_result}\n"
      return res
  
imports: import threading
  import pytest
  import time
  import random
  from pathlib import Path
  from time import sleep
  from pymilvus import connections
  from chaos.checker import InsertFlushChecker, SearchChecker, QueryChecker, Op
  from common.cus_resource_opts import CustomResourceOperations
  from common.milvus_sys import MilvusSys
  from utils.util_log import test_log
  from utils.util_k8s import wait_pods_ready, get_pod_ip_name_pairs, get_milvus_instance_name
  from chaos import chaos_commons
  from common.common_type import CaseLabel
  from common import common_func
  from chaos import constants
  from delayed_assert import expect, assert_expectations
label_desc: Use image node_id 2 for calling a global function with example usage: record_results(checkers) and returns: res