code: def process_input(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 + 2])
          bs.append(inputs[index + 2 : index + 4])
          index += 4
      return h, ws, bs, xs
  
imports: import chainer
  import chainerx
  from chainerx_tests import array_utils
  from chainerx_tests import dtype_utils
  from chainerx_tests import op_utils
label_desc: Use image node_id 3 for calling the TestNStepRNN obj's underlying member method code with example usage: obj.process_input(inputs) and returns: h,  ws,  bs,  xs