how to time a python code code example

Example 1: how to time a python script

from datetime import datetime
start = datetime.now()
# some kind of code
print(datetime.now() - start)

Example 2: how to time python code

from timer import Timer
t = Timer()
t.start()
# Run stuff here.
t.stop()

Example 3: python timer

import time
timer_length = float(input("How many seconds would you like you're timer to be set for? "))
time.sleep(timer_length)
print("Done!")

Example 4: python timer

import time
import os

a = int(0)
b = int(0)

while True:
    print(str(b) + " minutes " + str(a) + " seconds")
    a += 1
    time.sleep(0.9999999)
    if a == 59:
        a = 0
        b += 1
    os.system('cls')