code: def _indent(s, indent="    "):
      return indent + indent.join(s.splitlines(True))
  
imports: import sys
  import os
  from os.path import exists, basename, splitext
  import re
  import codecs
  import logging
  import optparse
  import json
label_desc: Use image node_id 2 for calling a global function with example usage: _indent(s, indent) and returns: unknown