Please generate a datetime object of the current date and time.
?

from datetime import datetime

now = datetime.now()
print(now) # `2025-05-14 20:19:19.391052`

Please format a datetime object {python}now to a string. Use the following format string: {python}"%d%m%Y_%H%M%S".
?

format_str = "%d%m%Y_%H%M%S"
date_str = now.strftime(format_str)