code: def test_pack_sequences_k_int64(self):
      inputs = tf.convert_to_tensor(
          [
              [1, 2, 3],
              [4, 5, 0],
              [6, 0, 0],
          ],
          dtype=tf.int64,
      )
      max_length = tf.convert_to_tensor(5, dtype=tf.int32)
      (
          packed,
          segmentation,
          position,
      ) = pack_sequences_ops.pack_sequences_k([inputs], [max_length])
      (inputs_packed,) = packed
      (inputs_segmentation,) = segmentation
      (inputs_position,) = position
      self.assertAllEqual(
          inputs_packed,
          [
              [1, 2, 3, 4, 5],
              [6, 0, 0, 0, 0],
          ],
      )
      self.assertEqual(inputs_packed.dtype, tf.int64)
      self.assertAllEqual(
          inputs_segmentation,
          [
              [1, 1, 1, 2, 2],
              [1, 0, 0, 0, 0],
          ],
      )
      self.assertAllEqual(
          inputs_position,
          [
              [0, 1, 2, 0, 1],
              [0, 0, 0, 0, 0],
          ],
      )
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import numpy
  from tensor2tensor.data_generators.ops import pack_sequences_ops
  import tensorflow.compat.v1
label_desc: Use image node_id 11 for calling the PackSequencesOpsTest obj's underlying member method code with example usage: obj.test_pack_sequences_k_int64() without return types