code: def strides(self):
      return self._output_strides
  
imports: from collections import OrderedDict
  from typing import List
  import torch
  from torch import nn
  from torchvision.models import densenet121, densenet161, densenet169, densenet201, DenseNet
  from .common import EncoderModule, _take, make_n_channel_input
label_desc: Use image node_id 3 for calling the DenseNetEncoder obj's underlying member method code with example usage: obj.strides() and returns: self