code: def forward(self, x):
      out = self.conv2d_list[0](x)
      for i in range(len(self.conv2d_list) - 1):
          out += self.conv2d_list[i + 1](x)
      return out
  
imports: import math
  import torch
  import torch.nn
  from torch.nn.parameter import Parameter
  import torch.nn.functional
label_desc: Use image node_id 2 for calling the Classifier_Module obj's underlying member method code with example usage: obj.forward(x) and returns: out