code: def testVariable(self):
      with self.session():
          v = variables.Variable(17)
          result = ops.convert_to_tensor(
              [[0, 0, 0], [0, v, 0], [0, 0, 0]]
          )
          self.evaluate(v.initializer)
          self.assertAllEqual(
              [[0, 0, 0], [0, 17, 0], [0, 0, 0]], self.evaluate(result)
          )
  
          v.assign(38).op.run()
          self.assertAllEqual(
              [[0, 0, 0], [0, 38, 0], [0, 0, 0]], self.evaluate(result)
          )
  
file_path: tensorflow-upstream/tensorflow/python/kernel_tests/v1_compat_tests/stack_op_test.py
imports: from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors_impl
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import variables
  from tensorflow.python.platform import test
label_desc: Use image node_id 1 for calling the AutomaticStackingTest obj's underlying member method code with example usage: obj.testVariable() without return types