code: def list_files(package: str) -> List[str]:
      """List all json schema files in a package (like `expconf`)."""
      out = []
      root = os.path.join(HERE, package)
      for dirpath, _, files in os.walk(root):
          out += [
              os.path.join(dirpath, f)
              for f in files
              if f.endswith(".json")
          ]
      return sorted(out)
  
imports: import argparse
  import json
  import os
  import re
  import sys
  from typing import List, Optional, Tuple
label_desc: Use image node_id 2 for calling a global function with example usage: list_files(package) and returns: sorted