from pathlib import Path
from datetime import datetime
file_name = Path.home() / Path('Desktop', 'Folder')
file_name.mkdir(exist_ok=True)
for name in range(20):
times = datetime.now().strftime("%Y%m%d%H%M%S%f")
(file_name / f'File{times}_{name}.json').touch(exist_ok=True)
(file_name / f'Folder{times}_{name}').mkdir(exist_ok=True)