code: def dump_pages(args):
      for p in iter_pages(args.file):
          print(p.page_meta)
          print(p)
          print(
              "\n".join(
                  [
                      ("%s %s" % (heading, content))
                      for (heading, content) in p.deep_headings_list()
                  ]
              )
          )
  
imports: from trec_car.read_data import *
  import argparse
label_desc: Use image node_id 1 for calling a global function with example usage: dump_pages(args) without return types