class_docstr: Randomly crop a torch tensor
  
  :param size: (tuple or list):
      dimensions of the crop
code: def __init__(self, size):
      self.size = size
  
imports: import os
  import random
  import math
  import numpy
  import torch
label_desc: Use image node_id 1 to create a new RandomCrop object  with example: obj = RandomCrop(size)