Diane Corriette's News Aggregator
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Python News
Sending Emails With Python
Learn how to send emails with Python using SMTP, attach files, format HTML messages, and personalize bulk emails for your contact list.
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Sets in Python
Learn to work effectively with Python sets: define set objects, explore the supported operations, and know when sets fit your code.
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Building Serverless Python Apps Using AWS Chalice
Build and deploy a serverless Python app with AWS Chalice, a microframework that ships your code to AWS Lambda and scales it for you.
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A Python AI Tool Was Just Booby-Trapped With Key-Stealing Malware
Real Python's weekly AI news for October 17–23, 2026, explained in plain language: a booby-trapped Python AI tool, a PHP security fix, and PyTorch on TPUs.
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What Is the Python Global Interpreter Lock (GIL)?
The Python GIL is a mutex that lets only one thread control the interpreter at a time. Learn how it shapes your program's performance.
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Python Metaclasses
How Python's metaclasses work as an OOP concept, what they are good for—and why you might want to avoid them in your own programs.
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NumPy Tutorial: Your First Steps Into Data Science in Python
Follow this NumPy tutorial to learn how to create and manipulate arrays in Python and take your first steps into data science.
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Python's property(): Add Managed Attributes to Your Classes
Use Python's property() to add managed attributes to your classes, with validation, computed values, and caching, without breaking your API.
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Get Started With Django: Build a Portfolio App
Build a Django example project step by step. You'll create a portfolio app and learn about models, views, templates, and the admin.
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Python's F-String for String Interpolation and Formatting
Python f-strings give you a readable, concise way to interpolate and format strings, and they beat .format() and the % operator on speed.
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Python 3.15.1, 3.14.9 and 3.13.17 are out
Three certified security releases for 3.15, 3.14 and 3.13.
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Python 3.16.0 alpha 1 is now available
The first developer preview of Python 3.16 is ready for testing.
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