code: def cleanSystem(cls):
          
          resourceRootDirPath = os.environ[cls.rootDirPathEnvName]
          os.environ.pop(cls.rootDirPathEnvName)
          shutil.rmtree(resourceRootDirPath)
          for k, v in list(os.environ.items()):
              if k.startswith(cls.resourceEnvNamePrefix):
                  os.environ.pop(k)
docs: Removes all downloaded, localized resources