Demonstration of using async http requests in Python

index.py

import asyncio
import time
import requests
import aiohttp

def do_work():
    response = requests.get("https://youdosudoku.com/api/")
    if response.status_code == 200:
        data = response.json()
        print(".", end='', flush=True)
    else:
        print(f"Error: {response.status_code}")

async def do_work_async(session):
    response = await session.get("https://youdosudoku.com/api/")
    if response.status == 200:
        data = await response.json()
        print(".", end='', flush=True)
    else:
        print(f"Error: {response.status_code}")


def synchronous(iterations):
    start_time = time.monotonic()
    for i in range(0,iterations):
        do_work()
    end_time = time.monotonic()
    print(str(iterations) + " iterations in " + str(round(end_time-start_time, 2)) + " seconds")

async def asynchronous(iterations):
    start_time = time.monotonic()
    tasks = []
    conn = aiohttp.TCPConnector(limit_per_host=2)
    async with aiohttp.ClientSession(connector=conn) as session:
        for i in range(0,iterations):
            tasks.append(do_work_async(session))
        await asyncio.gather(*tasks)
    end_time = time.monotonic()
    print(str(iterations) + " iterations in " + str(round(end_time-start_time, 2)) + " seconds")

    
iterations = 20
asyncio.run(asynchronous(iterations))
synchronous(iterations)