code: def _flags(items, prefix="", quote=""):
      """
      Turns sequence into string, prefixing/quoting each item.
      """
      if not items:
          return ""
      if isinstance(items, str):
          return items
      ret = ""
      for item in items:
          if ret:
              ret += " "
          ret += f"{prefix}{quote}{item}{quote}"
      return ret.strip()
  
imports: import base64
  import glob
  import hashlib
  import inspect
  import io
  import os
  import platform
  import re
  import shutil
  import site
  import setuptools
  import subprocess
  import sys
  import sysconfig
  import tarfile
  import textwrap
  import time
  import zipfile
  import wdev
label_desc: Use image node_id 18 for calling a global function with example usage: _flags(items, prefix, quote) and returns: ret, str, items