code: def main(args=None):
      args = docopt(to_string(__doc__), args, version=__version__)
      summarizer, parser, items_count = handle_arguments(args)
  
      for sentence in summarizer(parser.document, items_count):
          if PY3:
              print(to_unicode(sentence))
          else:
              print(to_bytes(sentence))
  
      return 0
  
imports: from __future__ import absolute_import
  from __future__ import division, print_function, unicode_literals
  import sys
  from docopt import docopt
  from .None import __version__
  from .utils import ItemsCount, get_stop_words, read_stop_words, fetch_url
  from ._compat import to_string, to_unicode, to_bytes, PY3
  from .nlp.tokenizers import Tokenizer
  from .parsers.html import HtmlParser
  from .parsers.plaintext import PlaintextParser
  from .summarizers.luhn import LuhnSummarizer
  from .summarizers.edmundson import EdmundsonSummarizer
  from .summarizers.lsa import LsaSummarizer
  from .summarizers.text_rank import TextRankSummarizer
  from .summarizers.lex_rank import LexRankSummarizer
  from .summarizers.sum_basic import SumBasicSummarizer
  from .summarizers.kl import KLSummarizer
  from .nlp.stemmers import Stemmer
label_desc: Use image node_id 1 for calling a global function with example usage: main(args) and returns: int