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