code: def normalize(x, axis=-1, order=2):
      """Normalizes a Numpy array.
  
      Args:
          x: Numpy array to normalize.
          axis: axis along which to normalize.
          order: Normalization order (e.g. `order=2` for L2 norm).
  
      Returns:
          A normalized copy of the array.
      """
      l2 = np.atleast_1d(np.linalg.norm(x, order, axis))
      l2[l2 == 0] = 1
      return x / np.expand_dims(l2, axis)
  
label_desc: Use image node_id 2 for calling a global function with example usage: normalize(x, axis, order) and returns: unknown