how to take time in python code example

Example 1: how to record execution time in python

import time

start = time.time()
print("hello")
end = time.time()
print(end - start)

Example 2: how to print time python

import datetime
datetime.datetime.now()
datetime.datetime(2009, 1, 6, 15, 8, 24, 78915)

print(datetime.datetime.now())
#2009-01-06 15:08:24.789150