code: def forward(self, input_):
      outputs = self.conv1(input_)
      outputs = self.conv2(outputs)
      return outputs
  
imports: import torch
  import torch.nn
  import torch.nn.functional
  from torch.nn import init
label_desc: Use image node_id 2 for calling the UnetConv3 obj's underlying member method code with example usage: obj.forward(input_) and returns: outputs