code: def __init__(self, mean, std):
      self.mean = mean
      self.std = std
  
file_path: pytorch_geometric/benchmark/kernel/datasets.py
imports: import os.path
  import torch
  import torch_geometric.transforms
  from torch_geometric.datasets import TUDataset
  from torch_geometric.utils import degree
label_desc: Use image node_id 1 to create a new NormalizedDegree object  with example: obj = NormalizedDegree(mean, std)