code: def _identity_inverse(x):
      return x
  
file_path: cuml/python/cuml/explainer/common.py
imports: from cuml.internals.base import Base
  from cuml.internals.input_utils import input_to_cupy_array
  from pylibraft.common.handle import Handle
  from cuml.internals.safe_imports import gpu_only_import
label_desc: Use image node_id 9 for calling a global function with example usage: _identity_inverse(x) and returns: x