code: def __init__(self, mean, std):
      self.mean = mean
      self.std = std
  
imports: import random
  import PIL
  import torch
  import torchvision.transforms
  import torchvision.transforms.functional
  from util.box_ops import box_xyxy_to_cxcywh
  from util.misc import interpolate
label_desc: Use image node_id 1 to create a new Normalize object from inherited base classes: object with example: obj = Normalize(mean, std)