code: def getParser():
      "Creates and returns the argparse parser object."
      parser = argparse.ArgumentParser(description=__description__)
      parser.add_argument("input", help="Source folder.")
      parser.add_argument("output", help="Target volume.")
      parser.add_argument(
          "-s",
          dest="spacing",
          action="store_true",
          help="Just print spacing and exit.",
      )
      parser.add_argument(
          "-v",
          dest="verbose",
          action="store_true",
          help="Display more information.",
      )
      parser.add_argument(
          "-d",
          dest="debug",
          action="store_true",
          help="Display debug information.",
      )
      parser.add_argument(
          "-f",
          dest="force",
          action="store_true",
          help="Silently override existing output images.",
      )
      return parser
  
imports: import argparse
  import logging
  from medpy.core import Logger
  from medpy.io import load, save
label_desc: Use image node_id 3 for calling a global function with example usage: getParser() and returns: parser