Python-сообщество

 import time
import datetime
import os
directory = 'd:/backup_python/backup/daily/'
files = os.listdir(directory)
now = datetime.datetime.now()
for key in files:
    base = os.path.splitext(key)[0]
    base_date = datetime.datetime.strptime(base, '%d.%m.%y')
    if now > base_date:
        print(base_date)
        print('Удалить!')
    else:
        print(base_date)
        print('Оставить.')