code: def __init__(self, in_size, out_size):
      super(StatefulMGU, self).__init__(in_size, out_size)
      self._state_size = out_size
      self.reset_state()
  
imports: import numpy
  import chainer
  from chainer.functions.activation import sigmoid
  from chainer.functions.activation import tanh
  from chainer.functions.array import concat
  from chainer.functions.math import linear_interpolate
  from chainer import link
  from chainer.links.connection import linear
label_desc: Use image node_id 1 to create a new StatefulMGU object from inherited base classes: MGUBase with example: obj = StatefulMGU(in_size, out_size)