code: def forward(self, x):
      x = self.conv1(x)
      x = self.bn1(x)
      x = self.relu(x)
      x = self.layer1(x)
      x = self.layer2(x)
      x = self.layer3(x)
      x = self.layer4(x)
      x = self.layer5(x)
      return x
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import paddle
  from paddle import ParamAttr
  from paddle.nn.initializer import KaimingNormal
  import paddle.nn
  import paddle.nn.functional
  import numpy
  import math
label_desc: Use image node_id 3 for calling the ResNet45 obj's underlying member method code with example usage: obj.forward(x) and returns: x