code: def forward(self, x):
      x = self.linear(x)
      return self.out(x)
  
file_path: BigDL/python/orca/tutorial/xshards/tabular_playground_series.py
imports: from sklearn.model_selection import train_test_split
  import torch
  import torch.nn
  import torch.optim
  from bigdl.orca import init_orca_context, stop_orca_context
  import bigdl.orca.data.pandas
  from bigdl.orca.data.transformer import *
  from bigdl.orca.learn.pytorch import Estimator
  from bigdl.orca.learn.metrics import Accuracy
label_desc: Use image node_id 2 for calling the TPS05ClassificationSeq obj's underlying member method code with example usage: obj.forward(x) and returns: self