code: def initialize_tokenizer(
      vocab_file, tokenizer_type, vocab_extra_ids=0
  ):
      tokenizer, padded_vocab_size = build_tokenizer(
          vocab_file, tokenizer_type, vocab_extra_ids
      )
      global _TOKENIZER, _PADDED_VOCAB_SIZE
      _TOKENIZER = tokenizer
      _PADDED_VOCAB_SIZE = padded_vocab_size
  
label_desc: Use image node_id 1 for calling a global function with example usage: initialize_tokenizer(vocab_file, tokenizer_type, vocab_extra_ids) without return types