code: def params(self):
      return self.W1, self.b1, self.W2, self.b2, self.W3, self.b3
  
file_path: chainer/chainerx_cc/examples/mnist_py/train_mnist.py
imports: import argparse
  import gzip
  import pathlib
  import time
  import numpy
  import chainerx
label_desc: Use image node_id 2 for calling the MLP obj's underlying member method code with example usage: obj.params() and returns: self,  self,  self,  self,  self,  self