code: def cmd_append(name: str, value: str) -> str:
      op = "path " if name == "PATH" else f"set {name}="
      return op + f"%{name}%;{value}"
  
imports: from __future__ import annotations
  import argparse
  import os
  import platform
  import re
  import shutil
  import struct
  import subprocess
label_desc: Use image node_id 3 for calling a global function with example usage: cmd_append(name, value) and returns: unknown