class_docstr: ResNet Bottleneck
      
class_docstr_tok: ["ResNet","Bottleneck"]
code: def _sum_each(x, y):
      if len(x) != len(y):
          raise AssertionError
      z = []
      for i in range(len(x)):
          z.append(x[i] + y[i])
      return z
  
imports: import math
  import torch
  import torch.utils.model_zoo
  import torch.nn
label_desc: Use image node_id 2 for calling the Bottleneck obj's underlying member method code with example usage: obj._sum_each(x, y) and returns: z