code: def find_files(pattern, root):
      """Return all the files matching pattern below root dir."""
      for dirpath, _, files in os.walk(root):
          for filename in fnmatch.filter(files, pattern):
              yield os.path.join(dirpath, filename)
  
imports: import datetime
  import fnmatch
  import os
  import platform
  import re
  import sys
  from setuptools import Command
  from setuptools import find_namespace_packages
  from setuptools import setup
  from setuptools.command.install import install
  from setuptools.dist import Distribution
label_desc: Use image node_id 2 for calling a global function with example usage: find_files(pattern, root) without return types