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In this quiz, you'll test your understanding of Dictionaries and Arrays: Selecting the Ideal Data Structure. By working through this quiz, you'll revisit how Python's built-in dict works, when to reach for specialized mappings like defaultdict and ...

In this quiz, you'll test your understanding of Learn With Mentor AI: A Guided Journey Through Async Python. By working through this quiz, you'll revisit how to steer a conversation with your mentor, the difference between concurrency and parallelism ...

Building an MCP client in Python can be a good option when you're coding MCP servers and want a quick way to test them. In this step-by-step project, you'll build a minimal MCP client for the command line. It'll be able to connect to an MCP server ...

In this quiz, you'll test your understanding of Creating a Scalable Flask Web Application From Scratch. By working through this quiz, you'll revisit how to set up a Flask project in a virtual environment, organize your code with an application ...

Anthropic open-sourced the Model Context Protocol (MCP) in November 2024 to fix a scaling problem: every new tool a model reached for needed its own integration, built on direct API calls. Building that integration today involves a decision usually ...

A Python circular import happens when two modules import each other and one of them isn't finished loading yet. Python reports it as an ImportError or an AttributeError, usually with a message about a partially initialized module. In this tutorial,

AI coding agents can read your code, reason about changes, and act on your behalf. To choose the right one, it helps to understand the four common workflow types: integrated development environment (IDE), terminal, pull request (PR), and cloud. In ...

Pyrefly is a fast static type checker for Python that helps you catch type-related issues before running your code. It also includes features for generating type hints and measuring type coverage across a codebase. In this tutorial, you'll use ...

Tutorial hell is an unfortunate reality for many newcomers to Python, and learning how to get out of it starts with understanding why it's so easy to fall into. When you're a beginner, finishing tutorials is addictive! They make learning Python ...

In this quiz, you'll test your understanding of Pyrefly: A Fast Static Type Checker for Python Projects. By working through this quiz, you'll revisit how to catch type errors with pyrefly check, generate type hints with pyrefly infer, and measure ...