code: def find_ccs(body: str) -> List[str]:
      matches = re.findall(
          r"(cc( @[-A-Za-z0-9]+)+)", body, flags=re.MULTILINE
      )
      matches = [full for full, last in matches]
  
      reviewers = []
      for match in matches:
          if match.startswith("cc "):
              match = match.replace("cc ", "")
          users = [x.strip() for x in match.split("@")]
          reviewers += users
  
      reviewers = set(x for x in reviewers if x != "")
      return list(reviewers)
  
imports: import json
  import subprocess
  import re
  import os
  import base64
  import logging
  from urllib import request, error
  from typing import Dict, Tuple, Any, Optional, List
label_desc: Use image node_id 6 for calling a global function with example usage: find_ccs(body) and returns: list