What are some real-world examples of using async in Python?
Async programming in Python is great for I/O-bound tasks. For example, web scraping, handling multiple API requests, or managing database connections.
Can you give me a specific example of async web scraping?
Sure! You can use libraries like aiohttp
and BeautifulSoup
to scrape multiple web pages concurrently. This speeds up the process significantly.
How does aiohttp work with async functions?
aiohttp
allows you to make asynchronous HTTP requests. You define an async function that uses await
to pause execution until the response is received, enabling other tasks to run in the meantime.
What about error handling in async code?
You can use try-except blocks within your async functions to handle exceptions. This ensures your program can gracefully manage errors without crashing.
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