code: def simple(a, b):
      t = a + b
      return t * b
  
imports: from typing import Callable, Dict, List, NamedTuple, Optional
  import torch
  import torch._dynamo
  from torch._dynamo.test_case import run_tests, TestCase
  from torch._dynamo.testing import CompileCounter, same
label_desc: Use image node_id 8 for calling a global function with example usage: simple(a, b) and returns: unknown