class_docstr: Perform a special crop - one of the four corners or center crop
  
  :param size: (tuple or list):
      dimensions of the crop
  
  :param crop_type: (int in `{0,1,2,3,4}`):
      0 = center crop
      1 = top left crop
      2 = top right crop
      3 = bottom right crop
      4 = bottom left crop
code: def __init__(self, size, crop_type=0):
      if crop_type not in {0, 1, 2, 3, 4}:
          raise ValueError("crop_type must be in {0, 1, 2, 3, 4}")
      self.size = size
      self.crop_type = crop_type
  
imports: import os
  import random
  import math
  import numpy
  import torch
label_desc: Use image node_id 1 to create a new SpecialCrop object  with example: obj = SpecialCrop(size, crop_type)