total_seconds() in python3 code example
Example 1: python date and time
from datetime import datetime
now = datetime.now()
print (now.strftime("%Y-%m-%d %H:%M:%S"))
Output: 2020-06-19 10:34:45
Example 2: python datetime
from datetime import date
f_date = date(2014, 7, 2)
l_date = date(2014, 7, 11)
delta = l_date - f_date
print(delta.days)