import os
import datetime
import time

paths = {
    'path/to/folder1/': [],
    'path/to/folder2/': []
    }
while True:
    for path in paths:
        newcheck = os.listdir(path)
        if paths[path] != newcheck:
            paths[path] = list(set(newcheck) - set(paths[path]))
            for file in enumerate(paths[path])
                filename = f"folder_5/file_{datetime.datetime.now()}/"
                os.system(f"cp {paths}{file} {filename}")
    time.sleep(5)