code: def dump_outlines(args):
      for p in iter_outlines(args.file):
          print(p.page_meta)
          print(p)
          print(
              "\n".join(
                  [
                      ("%s" % heading)
                      for (
                          heading,
                          empty_content,
                      ) in p.deep_headings_list()
                  ]
              )
          )
  
imports: from trec_car.read_data import *
  import argparse
label_desc: Use image node_id 2 for calling a global function with example usage: dump_outlines(args) without return types