code: def test_list_expansion_syntactic(self):
      test_self = self
  
      class Resolver(type_inference.Resolver):
          def res_arg(
              self, ns, types_ns, f_name, name, type_anno, f_is_local
          ):
              if name == qual_names.QN("a"):
                  return {int}
              else:
                  return {float}
  
          def res_value(self, ns, value):
              test_self.assertIn(value, (0, 1))
              return int
  
          def res_slice(
              self, ns, types_ns, node_or_slice, value, slice_
          ):
              test_self.assertIn(node_or_slice, (0, 1))
              test_self.assertSetEqual(value, {(int, float)})
              test_self.assertEqual(slice_, int)
              return {t[node_or_slice] for t in value}
  
      def test_fn(a, b):
          [c, d] = a, b
          return c, d
  
      node, _ = TestTranspiler(Resolver).transform(test_fn, None)
      fn_body = node.body
  
      # TODO(mdan): Whether it's List or Tuple might be open for interpretation.
      self.assertTypes(fn_body[1].value, ((int, float),))
      self.assertTypes(fn_body[1].value.elts[0], int)
      self.assertTypes(fn_body[1].value.elts[1], float)
  
imports: from typing import Any, Callable, List
  from tensorflow.python.autograph.pyct import anno
  from tensorflow.python.autograph.pyct import cfg
  from tensorflow.python.autograph.pyct import qual_names
  from tensorflow.python.autograph.pyct import transpiler
  from tensorflow.python.autograph.pyct.static_analysis import activity
  from tensorflow.python.autograph.pyct.static_analysis import reaching_definitions
  from tensorflow.python.autograph.pyct.static_analysis import reaching_fndefs
  from tensorflow.python.autograph.pyct.static_analysis import type_inference
  from tensorflow.python.platform import test
label_desc: Use image node_id 35 for calling the TypeInferenceAnalyzerTest obj's underlying member method code with example usage: obj.test_list_expansion_syntactic() and returns: c,  d, int, unknown, unknown, unknown