realpython.com / .realpython-com

What went into developing the open-source Python tools data scientists use every day? This week on the show, we talk with Travis Oliphant about his work on SciPy, NumPy, Numba, and many other contributions to the Python scientific community.

Learn how to work with JSON data in Python using the json module. Convert, read, write, and validate JSON files and handle JSON data for APIs and storage.

Understand the difference between shallow and deep copies in Python. Learn how to duplicate objects safely using the copy module and other techniques.

Learn Python naming conventions with single and double underscores to design APIs, create safe classes, and prevent name clashes.

When considering an object-oriented programming problem, should you prefer inheritance or composition? Why wouldn't it just be simpler to use functions? Christopher Trudeau is back on the show this week, bringing another batch of PyCoder's Weekly ...

Understand Python's with statement and context managers to streamline the setup and teardown phases in resource management. Start writing safer code today!

Explore Python's .__dict__ attribute to manage class and instance attributes directly for more flexible, low-level control of your objects.

Python 3.14 enters its release candidate phase, Django turns 20, and exciting updates about tools, libraries, and the Python community.

What are the advantages of using Polars for your Python data projects? When should you use the lazy or eager APIs, and what are the benefits of each? This week on the show, we speak with Jeroen Janssens and Thijs Nieuwdorp about their new book, ...

Test your knowledge of installing Python on Windows, macOS, and Ubuntu, setting PATH, and using IDLE with this quick quiz.