code: def test_counter_optimizer(self):
      # Generate a new function at each call
      ns = {}
      exec(
          textwrap.dedent(
              """
              def loop():
                  for _ in range(1000):
                      pass
          """
          ),
          ns,
          ns,
      )
      loop = ns["loop"]
  
      for repeat in range(5):
          opt = _testinternalcapi.get_counter_optimizer()
          with temporary_optimizer(opt):
              self.assertEqual(opt.get_count(), 0)
              with clear_executors(loop):
                  loop()
              self.assertEqual(opt.get_count(), 1000)
  
imports: import contextlib
  import opcode
  import textwrap
  import unittest
  import _testinternalcapi
label_desc: Use image node_id 3 for calling the TestOptimizerAPI obj's underlying member method code with example usage: obj.test_counter_optimizer() without return types