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Check your grasp of ChromaDB, embeddings, and vector search. Practice cosine similarity, querying collections, and using RAG with LLMs in Python.

Python 3.15 hits feature freeze with a built-in sentinel, PEP 829 lands, Pydantic forks httpx, and AI goes bug-hunting in C code.

How can you easily reduce the size of a Python Docker container? What are the exceptions you should catch in your code? Christopher Trudeau is back on the show this week with another batch of PyCoder's Weekly articles and projects.

Try your hand at reading Python keyboard input with input(), handling errors, hiding passwords, and validating with PyInputPlus.

Learn how to use GitHub Copilot code review on pull requests for AI-assisted feedback, one-click fixes, and project-specific custom instructions.

Test your knowledge of GitHub Copilot code review in pull requests, including custom instructions and automatic reviews.

Master Python script structure with best practices for shebangs, ordered imports, formatting with Ruff, constants, and a clean entry point.

Test your understanding of Python's format mini-language and how to use format specifiers to align text, control precision, and tidy your strings.

Check your understanding of Python script structure, including shebangs, import order, ruff formatting, constants, and a clean entry point.

Learn how to use Python's sleep() function to add time delays and pause your code with time.sleep(), decorators, threads, and asyncio.