code: def test_exec(self):
      source = "exec a"
      pruned = "exec a"
      self.assertPruned(source, pruned, symbols=["a"])
  
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  from ...asttools.tests import AllTypesTested, assert_ast_eq
  import unittest
  from ...asttools.mutators.prune_mutator import PruneVisitor
  import ast
  from ...testing import py2only
label_desc: Use image node_id 17 for calling the TestInclusive obj's underlying member method code with example usage: obj.test_exec() without return types