Delete files and folders that are older than 14 days in E:\usenet\tv\

import os, time

now = time.time()
cutoff = now - (14 * 86400)

for root, dirs, files in os.walk('E:\usenet\tv\\'):
    for name in files:
        fullpath = os.path.join(root, name)
        if os.path.getmtime(fullpath) < cutoff:
            if os.path.isfile(fullpath):
                os.remove(fullpath)