code: def _use_table(self, key_dtype, value_dtype):
      hash_table = simple_hash_table.SimpleHashTable(
          key_dtype, value_dtype, 111
      )
      result1 = hash_table.find(1, -999)
      hash_table.insert(1, 100)
      result2 = hash_table.find(1, -999)
      hash_table.remove(1)
      result3 = hash_table.find(1, -999)
      results = tf.stack((result1, result2, result3))
      return results
  
file_path: tensorflow-upstream/tensorflow/examples/custom_ops_doc/simple_hash_table/simple_hash_table_test.py
imports: import os.path
  import tempfile
  from absl.testing import parameterized
  import tensorflow
  from tensorflow.examples.custom_ops_doc.simple_hash_table import simple_hash_table
  from tensorflow.python.eager import def_function
  from tensorflow.python.framework import test_util
label_desc: Use image node_id 1 for calling the SimpleHashTableTest obj's underlying member method code with example usage: obj._use_table(key_dtype, value_dtype) and returns: results