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Async Programming in Python with asyncio

Master Python's asyncio library to write concurrent code that is clean, efficient, and easy to reason about.

Apr 18, 20269 min read8,100 views1320 words

What is asyncio?

asyncio is Python's built-in library for writing concurrent code.

PY
1import asyncio
2 
3async def fetch_data(url: str) -> dict:
4 async with aiohttp.ClientSession() as session:
5 async with session.get(url) as response:
6 return await response.json()
7 
8async def main():
9 tasks = [fetch_data(url) for url in urls]
10 results = await asyncio.gather(*tasks)
11 return results