code: def update(self, elements):
      for e in elements:
          self.add(e)
  
imports: from __future__ import absolute_import
  import os
  import sys
  import re
  import io
  import codecs
  import shutil
  import tempfile
  from contextlib import contextmanager
label_desc: Use image node_id 3 for calling the OrderedSet obj's underlying member method code with example usage: obj.update(elements) without return types