default format of datetime inpython code example

Example 1: python datetime string

import datetime

today = datetime.datetime.now()
date_time = today.strftime("%m/%d/%Y, %H:%M:%S")
print("date and time:",date_time)

Example 2: python datetime to string iso format

from datetime import datetime
some_date = datetime.now()
iso_date_string = some_date.isoformat()

# For older version of python 
iso_date_string = some_date.strftime('%Y-%m-%dT%H:%M:%S.%f%z')