code: def extract_archive(archive, verbosity=0, outdir=None, program=None, interactive=True):
      
      util.check_existing_filename(archive)
      if verbosity >= 0:
          util.log_info("Extracting %s ..." % archive)
      return _extract_archive(archive, verbosity=verbosity, interactive=interactive, outdir=outdir, program=program)
docs: Extract given archive.