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Learn to download files from URLs with Python using urllib and requests, including data streaming for large files.

Practice handling files and directories in Python, including opening, iterating, filtering, creating, deleting, copying, and renaming.

Test your Python PDF skills: read, modify, extract, encrypt, and manipulate PDF files using the pypdf library.

Test your understanding of Python threading, including how to create threads, use locks, avoid race conditions, and build pipelines.

Learn how Python descriptors control attribute access, use special methods for getting and setting values, and implement read-only attributes.

Catch up on the latest Python news: frozendict joins the built-ins, Django patches SQL injections, and AI SDKs race to add WebSocket transport.

Learn to connect Python to databases, run queries, and manage data using SQLite, PostgreSQL, MySQL, and SQL basics.

Learn the trade-offs of using Pydantic AI in production, including validation retries, structured outputs, tool usage, and token costs.

Test your knowledge of stacks, queues, deques, and priority queues with practical questions and Python coding exercises.

Test your Python skills with OpenRouter: learn unified API access, model switching, provider routing, and fallback strategies.