Tech Demo: Asynchronous I/O in Python by Miloš Švaňa

In this Python Guild video demo, Miloš Švaňa walks through the fundamentals of asynchronous I/O (async I/O) in Python, explaining how it can improve application performance by efficiently handling I/O-bound tasks like network requests and database interactions. He also compares synchronous vs. asynchronous programming to highlight the key advantages of async I/O. profiq.com hosts monthly Python Guild and a Javascript Guild demos as platforms for sharing knowledge, the latest news, and best practices across different teams. We we wanted to share the latest insights with you.

Highlights from the Demo

• Understanding async I/O: Learn how async and await work to create non-blocking functions.
• The event loop: Discover how Python schedules asynchronous tasks behind the scenes.
• Code walkthrough: See a simple async I/O example in action.
• Real-world application: Compare a Flask web server (synchronous) vs. a Quart web server (asynchronous) handling requests from the Hacker News API.
• Performance gains: Learn how async I/O reduces response times, with benchmark results showing a significant improvement in handling concurrent requests.

By watching this demo, you’ll gain a good understanding of async I/O in Python and how it can optimize your applications. Whether you’re developing a high-performance web server, a web scraper, or an application requiring efficient network communication, this session provides valuable insights into implementing async programming effectively.

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