import asyncio
from datetime import datetime
import random
import httpx


async def fetch(url: str, client: httpx.AsyncClient, sem: asyncio.Semaphore) -> dict:
    async with sem:
        try: 
            print(f"Fetching of {url} started at {datetime.today()}")
            r = await client.get(url)
            data = r.json()
            print(f"Fetching of {url} ended at {datetime.today()}")
            return data
        except httpx.HTTPStatusError as e:
            print(f"HTTP error: {e}")
        except httpx.RequestError as e:
            print(f"Request failed: {e}")

async def main():
    urls = [f"https://jsonplaceholder.typicode.com/posts/{n}" for n in range(1, 15)]
    sem = asyncio.Semaphore(5)
    tasks: list[asyncio.Task] = []

    async with httpx.AsyncClient(timeout=10) as client:
        async with asyncio.TaskGroup() as tg:
            for url in urls:
                tasks.append(tg.create_task(fetch(url, client, sem)))
    
    print([task.result() for task in tasks])
    
if __name__ == "__main__":
    asyncio.run(main())