code: def __init__(self, k=4, tol=0.000001):
      super().__init__()
      self.num_layers = k
      self.tol = tol
  
imports: from typing import Any, List
  import torch
  import torch.nn
  from mmf.common.registry import registry
label_desc: Use image node_id 1 to create a new AverageConcatLastN object from inherited base classes: nn with example: obj = AverageConcatLastN(k, tol)