code: def test_sequence_ids(self, encodings):
      single, pair = encodings
  
      assert single.sequence_ids == [None, 0, 0, 0, 0, None]
      assert pair.sequence_ids == [
          None,
          0,
          0,
          0,
          0,
          None,
          1,
          1,
          1,
          None,
      ]
  
file_path: hf-tokenizers/bindings/python/tests/bindings/test_encoding.py
imports: import pytest
  from tokenizers import BertWordPieceTokenizer
  from ..utils import bert_files, data_dir
label_desc: Use image node_id 2 for calling the TestEncoding obj's underlying member method code with example usage: obj.test_sequence_ids(encodings) without return types