code: def forward(self, inputs):
      y = self.linear1(inputs)
      y = self.relu(y)
      y = self.linear2(y)
      return y
  
file_path: singa/examples/mlp/model.py
imports: from singa import layer
  from singa import model
  from singa import tensor
  from singa import opt
  from singa import device
  import argparse
  import numpy
label_desc: Use image node_id 2 for calling the MLP obj's underlying member method code with example usage: obj.forward(inputs) and returns: y