code: def __dict_replace(s, d):
      """Replace substrings of a string using a dictionary."""
      for key, value in d.items():
          s = s.replace(key, value)
      return s
  
imports: import os, urllib.parse, urllib.request
  import io
  import codecs
  from .None import handler
  from .None import xmlreader
label_desc: Use image node_id 1 for calling a global function with example usage: __dict_replace(s, d) and returns: s