code: def join(self, parts):
      result = bytearray()
      first = True
      for p in parts:
          if not first:
              result.extend(self)
          first = False
          result.extend(p)
      return compatbytes(result)
  
imports: from __future__ import absolute_import, division, print_function
  import array
  import codecs
  import importlib
  import inspect
  import math
  import platform
  import re
  import sys
  import time
  from base64 import b64encode
  from collections import namedtuple
label_desc: Use image node_id 12 for calling the compatbytes obj's underlying member method code with example usage: obj.join(parts) and returns: compatbytes