code: def diff_archives(archive1, archive2, verbosity=0, interactive=True):
      
      util.check_existing_filename(archive1)
      util.check_existing_filename(archive2)
      if verbosity >= 0:
          util.log_info("Comparing %s with %s ..." % (archive1, archive2))
      res = _diff_archives(archive1, archive2, verbosity=verbosity, interactive=interactive)
      if res == 0 and verbosity >= 0:
          util.log_info("... no differences found.")
docs: Print differences between two archives.