code: def __init__(self, comm, n_out):
      super(MLP0SubA, self).__init__(l1=L.Linear(784, n_out))
  
imports: import argparse
  import chainer
  import chainer.cuda
  import chainer.functions
  import chainer.links
  from chainer import training
  from chainer.training import extensions
  import chainermn
  import chainermn.datasets
  import chainermn.functions
label_desc: Use image node_id 1 to create a new MLP0SubA object from inherited base classes: chainer with example: obj = MLP0SubA(comm, n_out)