code: def get_art_abs(story_file):
      lines = read_text_file(story_file)
  
      lines = [line.lower() for line in lines]
  
      lines = [fix_missing_period(line) for line in lines]
  
      article_lines = []
      highlights = []
      next_is_highlight = False
      for idx, line in enumerate(lines):
          if line == "":
              continue  # empty line
          elif line.startswith("@highlight"):
              next_is_highlight = True
          elif next_is_highlight:
              highlights.append(line)
          else:
              article_lines.append(line)
  
      article = " ".join(article_lines)
  
      abstract = " ".join(highlights)
  
      return article, abstract
  
file_path: delta/egs/cnn_dailymail/seq2seq/v1/local/make_datafiles.py
imports: import collections
  import hashlib
  import os
  import subprocess
  import sys
  from absl import logging
label_desc: Use image node_id 6 for calling a global function with example usage: get_art_abs(story_file) and returns: article,  abstract