code: def crop_4d(img, i, j, k, d, h, w):
      """Crop the given PIL Image.
      Args:
          img (numpy ndarray): Image to be cropped.
          i: Upper pixel coordinate.
          j: Left pixel coordinate.
          k:
          d:
          h: Height of the cropped image.
          w: Width of the cropped image.
      Returns:
          numpy ndarray: Cropped image.
      """
      if not _is_numpy_image(img):
          raise TypeError(
              "img should be numpy image. Got {}".format(type(img))
          )
      return img[:, i : i + d, j : j + h, k : k + w]
  
imports: from typing import List, Tuple, Union, Callable
  import collections
  import numbers
  import random
  import numpy
  import scipy
  import scipy.ndimage
  import SimpleITK
  from scipy.ndimage.filters import gaussian_filter, gaussian_gradient_magnitude
  from skimage.transform import resize
label_desc: Use image node_id 9 for calling a global function with example usage: crop_4d(img, i, j, k, d, h, w) and returns: img