code: def normalize(x):
      """Normalization helper function."""
      return x / np.linalg.norm(x)
  
imports: import collections
  from concurrent import futures
  import contextlib
  import functools
  import time
  from typing import List, Union
  import jax
  from jax import tree_util
  import jax.numpy
  import numpy
  from scipy import interpolate
  from scipy.spatial import transform
  import tqdm
label_desc: Use image node_id 24 for calling a global function with example usage: normalize(x) and returns: unknown