code: def hybrid_forward(self, F, x):
      x = self.features(x)
      # x = self.output(x)
      return x
  
imports: import sys
  import os
  import mxnet
  import mxnet.ndarray
  import mxnet.gluon
  import mxnet.gluon.nn
  import mxnet.autograd
  import symbol_utils
  from config import config
label_desc: Use image node_id 2 for calling the MNasNet obj's underlying member method code with example usage: obj.hybrid_forward(F, x) and returns: x