code: def forward(self, x):
      x = F.relu(self.fc1(x))
      x = F.relu(self.fc2(x))
      return F.relu(self.fc3(x))
  
imports: import tempfile
  import pytorch_lightning
  import torch
  import torch.nn.functional
  import torch.utils.tensorboard
  from packaging.version import Version
  from torch import nn
label_desc: Use image node_id 2 for calling the IrisClassificationBase obj's underlying member method code with example usage: obj.forward(x) and returns: F