code: def insert_user_startup_script(
      user_startup_script, startup_script_str, logger
  ):
      if user_startup_script is None:
          return startup_script_str
  
      try:
          with open(
              os.path.abspath(os.path.expanduser(user_startup_script))
          ) as f:
              user_startup_script_lines = f.read().splitlines()
      except BaseException:
          if user_startup_script is not None:
              logger.warn(
                  "User startup script (%s) cannot be loaded"
                  % user_startup_script
              )
          return startup_script_str
  
      startup_script_lines = startup_script_str.splitlines()
      new_startup_script_lines = []
      whitespace = " " * INDENT
      for line in startup_script_lines:
          if line.startswith("studio remote worker") or line.startswith(
              "studio-remote-worker"
          ):
              curr_working_dir = "curr_working_dir_%s" % rand_string(32)
              func_name = "user_script_%s" % rand_string(32)
  
              new_startup_script_lines.append(
                  "%s=$(pwd)\n" % curr_working_dir
              )
              new_startup_script_lines.append("cd ~\n")
              new_startup_script_lines.append("%s()(\n" % func_name)
              for user_line in user_startup_script_lines:
                  if user_line.startswith("#!"):
                      continue
                  new_startup_script_lines.append(
                      "%s%s\n" % (whitespace, user_line)
                  )
  
              new_startup_script_lines.append(
                  "%scd $%s\n" % (whitespace, curr_working_dir)
              )
              new_startup_script_lines.append(
                  "%s%s\n" % (whitespace, line)
              )
              new_startup_script_lines.append(")\n")
              new_startup_script_lines.append("%s\n" % func_name)
          else:
              new_startup_script_lines.append("%s\n" % line)
  
      new_startup_script = "".join(new_startup_script_lines)
      logger.info(
          "Inserting the following user startup script"
          " into the default startup script:"
      )
      logger.info("\n".join(user_startup_script_lines))
  
      # with open("/home/jason/Desktop/script.sh", 'wb') as f:
      #     f.write(new_startup_script)
      # sys.exit()
  
      return new_startup_script
  
label_desc: Use image node_id 1 for calling a global function with example usage: insert_user_startup_script(user_startup_script, startup_script_str, logger) and returns: new_startup_script, startup_script_str, startup_script_str