code: def test_binop_basic(self):
      def test_function(x, y, z):
          a = x + y + z
          return a
  
      def expected_result(x, y, z):
          tmp_1001 = x + y
          a = tmp_1001 + z
          return a
  
      self.assert_body_anfs_as_expected(expected_result, test_function)
  
imports: import textwrap
  import unittest
  import gast
  from nvidia.dali._autograph.pyct import loader
  from nvidia.dali._autograph.pyct import parser
  from nvidia.dali._autograph.pyct import transformer
  from nvidia.dali._autograph.pyct.common_transformers import anf
label_desc: Use image node_id 2 for calling the AnfTransformerTest obj's underlying member method code with example usage: obj.test_binop_basic() and returns: a, a