code: def _find_replacement(key, kwargs):
      """Finds a replacement for key that doesn't collide with anything in kwargs."""
      key += "_"
      while key in kwargs:
          key += "_"
      return key
  
imports: from __future__ import print_function
  import json
  import sys
  import socket
  import itertools
  from .None import functions
  from .None import parallel
  import math
  import multiprocessing
  import threading
label_desc: Use image node_id 1 for calling a global function with example usage: _find_replacement(key, kwargs) and returns: key