asynchronous way to send dummy push. (Test function to get timing)

async_push.py

import time
import asyncio
import logging


async def send_push(user_id):
    """
        demo function to send notification
    """
    print("Start: "+str(user_id))
    await asyncio.sleep(1) # sleep 1 second when sending notification.
    print("Complete: "+str(user_id))



tasks = []

if __name__=='__main__':
    # starting time
    t1 = time.time()

    user_count = int(input("Enter total user: "))
    for user_id in range(user_count):
        tasks.append(send_push(user_id))

    # event loop
    loop = asyncio.get_event_loop()
    loop.run_until_complete(asyncio.wait(tasks))

    # count total time
    total_time = time.time() - t1 
    print("Total time: " + str(total_time))