code: def getArguments(parser):
      "Provides additional validation of the arguments collected by argparse."
      return parser.parse_args()
  
imports: import argparse
  import logging
  from medpy.core import Logger
  from medpy.io import load, header, save
label_desc: Use image node_id 2 for calling a global function with example usage: getArguments(parser) and returns: parser