code: def export_and_import(l, args, export_params=True, graph_name="test"):
      """Exports the given Link as Caffe model and returns the re-imported Link."""
  
      with chainer.utils.tempdir() as tempdir:
          caffe.export(l, args, tempdir, export_params, graph_name)
  
          prototxt = os.path.join(tempdir, "chainer_model.prototxt")
          caffemodel = os.path.join(tempdir, "chainer_model.caffemodel")
  
          assert os.path.exists(prototxt)
          assert os.path.exists(caffemodel)
  
          # with open(prototxt) as f: print(f.read())
          return L.caffe.CaffeFunction(caffemodel)
  
imports: import os
  import unittest
  import warnings
  import numpy
  import chainer
  import chainer.functions
  import chainer.links
  from chainer import testing
label_desc: Use image node_id 2 for calling a global function with example usage: export_and_import(l, args, export_params, graph_name) and returns: L