code: def tokenize_function(tokenizer):
      def fn(examples):
          return tokenizer(examples["text"])
  
      return fn
  
file_path: transformers/examples/tensorflow/language-modeling-tpu/prepare_tfrecord_shards.py
imports: import argparse
  import logging
  import os
  import datasets
  import tensorflow
  from transformers import AutoTokenizer
label_desc: Use image node_id 2 for calling a global function with example usage: tokenize_function(tokenizer) and returns: fn, tokenizer