5 Python Concepts That Separate Beginners from Developers

Опубликовано: 25 Январь 2026
на канале: Kelvin Lin

556

In this video, we cover five intermediate Python fundamentals that show up constantly in real software engineering and technical interviews: how iteration works under the hood (iterators and generators), how to transform and filter data cleanly (list/dict comprehensions), how to treat functions like values (lambda, key functions, closures), how to handle invalid input reliably (try/except, raising ValueError), and how to model structured data without boilerplate (dataclasses and type hints). The goal is to make production Python, scripting, and DSA-style problem solving feel more readable so you can write cleaner, more maintainable code.

Github Repository: https://github.com/KelvinLinBU/5_Pyth...

Big shoutout to ‪@dontmakelies‬ for her editing work!

Check out my book Modern Data: From Ingestion to Production available on Amazon, Apple Books, and Barnes & Nobles:

🔗 Amazon 🚚 : https://www.amazon.com/dp/B0GH8J71SC
🔗 Barnes & Noble 📚: https://www.barnesandnoble.com/w/mode...
🔗 Apple Books 🍎: https://books.apple.com/us/book/moder...

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