Delete files and folders older than 8 days located in "f:\rartvfeed\".

import os, time
    from datetime import datetime, timedelta

    dir_name = 'f:\rartvfeed'
    
    for root, dirs, files in os.walk(dir_name):
        for f in files:
            full_path = os.path.join(root, f)
            st = os.stat(full_path)    
            mtime = datetime.fromtimestamp(st.st_mtime)
            if mtime < datetime.now() - timedelta(days=8):
                os.remove(full_path)