code: def test_vocab_api_symbols(en_vocab, string, symbol):
      assert en_vocab.strings[string] == symbol
  
file_path: spaCy/spacy/tests/vocab_vectors/test_vocab_api.py
imports: import os
  import pytest
  from spacy.attrs import IS_ALPHA, LEMMA, ORTH
  from spacy.lang.en import English
  from spacy.parts_of_speech import NOUN, VERB
  from spacy.vocab import Vocab
  from ..util import make_tempdir
label_desc: Use image node_id 5 for calling a global function with example usage: test_vocab_api_symbols(en_vocab, string, symbol) without return types