code: def line_len(line, tokenizer=None):
      """
      Returns a tokenized length of a text line
      """
      if tokenizer is None:
          tokenizer = worker_data["tokenizer"]
  
      tokens = tokenize_line(line, tokenizer)
  
      return len(tokens)
  
file_path: NeMo/scripts/neural_machine_translation/collect_tokenizer_dataset_stats.py
imports: import argparse
  import json
  import multiprocessing
  import os
  import numpy
  from matplotlib import pyplot
  from nemo.collections.nlp.modules.common.tokenizer_utils import get_nmt_tokenizer
label_desc: Use image node_id 4 for calling a global function with example usage: line_len(line, tokenizer) and returns: len