code: def main():
      parser = argparse.ArgumentParser()
      parser.add_argument("caffemodel")
      parser.add_argument("output")
      args = parser.parse_args()
  
      model = VGGCaffeFunction(args.caffemodel)
      chainer.serializers.save_npz(args.output, model)
  
file_path: chainercv/examples/vgg/caffe2npz.py
imports: import argparse
  import re
  import chainer
  from chainer import Link
  import chainer.links.caffe.caffe_function
label_desc: Use image node_id 2 for calling a global function with example usage: main() without return types