class_docstr: Multi-layer perceptron (MLP). If the hidden or output feature dimension is
  not provided, we assign it the input feature dimension.
code: def forward(self, x):
      x = self.layers(x)
      if self.fc_out is not None:
          return self.fc_out(x)
      else:
          return x
  
file_path: autogluon/multimodal/src/autogluon/multimodal/models/mlp.py
imports: from typing import Optional
  import numpy
  import torch
  from torch import nn
label_desc: Use image node_id 2 for calling the MLP obj's underlying member method code with example usage: obj.forward(x) and returns: self, x