code: def Id(x, op_name=None):
      layout = "".join([chr(ord("a") + i) for i in range(len(x.shape))])
      return Custom(f"{layout} = {layout}", f"{x}", op_name=op_name)
  
imports: import os, sys, json, re
  import tempfile
  import copy
  import inspect
  import logging
  import importlib
  from .None import solver
  from .None import patterns
label_desc: Use image node_id 6 for calling a global function with example usage: Id(x, op_name) and returns: Custom