code: def get_args():
      parser = argparse.ArgumentParser()
      parser.add_argument(
          "-f", "--file", type=str, help="path of ply file"
      )
      parser.add_argument(
          "-a", "--anno", type=str, help="path of json file"
      )
      parser.add_argument(
          "-s",
          "--side",
          type=int,
          default=1,
          help="0: double side, 1:single side",
      )
      return parser.parse_args()
  
imports: import vtk
  import json
  import numpy
  import argparse
  import sys
  import subprocess
  from plyfile import PlyData
label_desc: Use image node_id 5 for calling a global function with example usage: get_args() and returns: parser