code: def forward(self, x):
      x = self.conv1(x)
      x = self.bn1(x)
      x = self.relu1(x)
      x = self.pool(x)
  
      x = self.conv2(x)
      x = self.bn2(x)
      x = self.relu2(x)
  
      x = self.layer1_pool(x)
      x = self.layer1(x)
      x = self.layer1_conv(x)
      x = self.layer1_bn(x)
      x = self.layer1_relu(x)
  
      x = self.layer2(x)
      x = self.layer2_conv(x)
      x = self.layer2_bn(x)
      x = self.layer2_relu(x)
  
      x = self.layer3(x)
      x = self.layer3_conv(x)
      x = self.layer3_bn(x)
      x = self.layer3_relu(x)
  
      x = self.layer4(x)
      x = self.layer4_conv2(x)
      x = self.layer4_conv2_bn(x)
      x = self.layer4_conv2_relu(x)
  
      return x
  
imports: import copy
  import math
  import paddle
  import paddle.nn
  import paddle.nn.functional
label_desc: Use image node_id 3 for calling the ResNet obj's underlying member method code with example usage: obj.forward(x) and returns: x