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Build your first web application with Python and Flask

This is the source repository for Flask for Beginners. Visit the book homepage to read it online.

If you find an error or have feedback or suggestions, please open an issue or submit a pull request with a correction. For substantial changes, please open an issue first to discuss them. Thank you!

© 2018 - 2026 Grey Li (李辉) / HelloFlask

This book is licensed under CC BY-NC-ND 3.0. Commercial use, redistribution of modified versions, and redistribution without attribution are not permitted.

See the contributing guide for instructions on building both language editions, translating chapters, and deploying with Netlify.