code: def test_bytecode_hook(self):
      def fn(a, b):
          return a - b * 10
  
      def hook(code, out_code):
          print(code)
          print(out_code)
          return code
  
      torch._dynamo.reset()
      handle = torch._dynamo.convert_frame.register_bytecode_hook(hook)
      try:
          opt_fn = torch.compile(fn)
          for i in range(2, 12):
              opt_fn(torch.randn(i), torch.randn(i))
      finally:
          handle.remove()
  
imports: import torch
  import torch._dynamo.test_case
label_desc: Use image node_id 1 for calling the BytecodeHookTests obj's underlying member method code with example usage: obj.test_bytecode_hook() and returns: unknown, code