code: def test_use_existing_annotations(self):
      ns = {"__annotations__": {1: 2}}
      exec("x: int", ns)
      self.assertEqual(ns["__annotations__"], {"x": int, 1: 2})
  
file_path: cpython/Lib/test/test_opcodes.py
imports: import unittest
  from test import support
  from test.typinganndata import ann_module
label_desc: Use image node_id 4 for calling the OpcodeTest obj's underlying member method code with example usage: obj.test_use_existing_annotations() without return types