code: def process_inputs(self, inputs):
      h = inputs[0]
  
      xs = inputs[1 : 1 + len(self.batches)]
      ws = []
      bs = []
      index = 1 + len(self.batches)
      for n in range(self.n_layers):
          ws.append(inputs[index : index + 6])
          bs.append(inputs[index + 6 : index + 12])
          index += 12
  
      return h, ws, bs, xs
  
imports: import numpy
  import chainer
  import chainer.functions
  from chainer import testing
  from chainer.testing import backend
label_desc: Use image node_id 3 for calling the TestNStepGRU obj's underlying member method code with example usage: obj.process_inputs(inputs) and returns: h,  ws,  bs,  xs