code: def __init__(self, aug_ratio):
      super().__init__(aug_ratio)
  
imports: import random
  import torch
  import numpy
  from itertools import repeat, product
  from torch_geometric.data import Batch
label_desc: Use image node_id 1 to create a new SubGraph object from inherited base classes: BaseAugmentation with example: obj = SubGraph(aug_ratio)