A simple python programme to demonstrate some heavy calculation inside the function.

async-await-python-without-asyncio.py

import time
import datetime

start = datetime.datetime.now()


def two():
    print("Starting two")
    time.sleep(4)
    print("Hey two")


def four():
    print("Starting four")
    time.sleep(2)
    print("Hey four")


two()
four()
print(f'{datetime.datetime.now()-start}')