In this quiz, you’ll test your understanding of Building Type-Safe LLM Agents With Pydantic AI. By working through this quiz, you’ll revisit how Pydantic AI returns structured outputs from LLMs, how validation retries improve reliability, how tools and function calling work, how dependency injection...

In this quiz, you’ll test your understanding of The LEGB Rule & Understanding Python Scope. By working through this quiz, you’ll revisit how Python resolves names using the LEGB rule, what the local, enclosing, global, and built-in scopes look like in practice, and how the global and nonlocal statem...

Flattening a list in Python involves converting a nested list structure into a single, one-dimensional list. A common approach to flatten a list of lists is to use a for loop to iterate through each sublist. Then you can add each item to a new list with the .extend() method or the augmented concaten...

In this quiz, you’ll test your understanding of how to flatten a list in Python. You’ll write code and answer questions to revisit the concept of converting a multidimensional list, such as a matrix, into a one-dimensional list. [ Improve Your Python With 🐍 Python Tricks 💌 – Get a short & sweet Pyth...

What if you could build charts in Python by describing what your data means, instead of scripting every visual detail? Christopher Trudeau is back on the show this week with another batch of PyCoder's Weekly articles and projects. [ Improve Your Python With 🐍 Python Tricks 💌 – Get a short & sweet Py...

In this quiz, you’ll test your understanding of Memory Management in Python. By working through this quiz, you’ll revisit how Python handles memory allocation and freeing, the role of the Global Interpreter Lock, and how CPython organizes memory using arenas, pools, and blocks. Give it a shot! [ Imp...

In this quiz, you’ll test your knowledge of Qt Designer and Python: Build Your GUI Applications Faster. By working through this quiz, you’ll revisit how Qt Designer turns visual designs into .ui files, how layout managers control widget geometry, how signals and slots connect user actions to your co...

The Python ChatterBot library lets you build a self-learning command-line chatbot with just a few lines of code. You’ll set up a basic bot, clean real WhatsApp conversation data with regular expressions, and train your chatbot on that custom corpus. You’ll also plug in a local LLM through Ollama to ...

In this quiz, you’ll test your understanding of Python & APIs: A Winning Combo for Reading Public Data. By working through this quiz, you’ll revisit how APIs send requests and responses, how the requests library works, what status codes and headers mean, and how to handle authentication, pagination,...

In this quiz, you’ll test your understanding of How to Use OpenCode for AI-Assisted Python Coding. By working through these questions, you’ll revisit how to install OpenCode, connect it to an AI provider, configure project context with AGENTS.md, and take advantage of features like mid-session model...

After watching this video course, you’ll be able to use Codex CLI to add features to a Python project directly from your terminal. Codex CLI is an AI-powered coding assistant that runs inside your terminal. It understands your project structure, reads your files, and proposes multi-file changes usin...

In this quiz, you’ll test your understanding of Python Application Layouts: A Reference. By working through this quiz, you’ll revisit how to structure one-off scripts, installable packages, larger applications with internal packages, and web projects built with Django or Flask. A dependable starting...

April gave Python developers a new governing body. PEP 772 was accepted on April 16, creating a dedicated Python Packaging Council that will make binding decisions about packaging standards and tools. After years of informal coordination through the Python Packaging Authority (PyPA), the packaging c...

In this quiz, you’ll test your understanding of the tutorial Data Management With Python, SQLite, and SQLAlchemy. By working through this quiz, you’ll revisit how Python, SQLite, and SQLAlchemy work together to give your programs reliable data storage. You’ll also check your grasp of primary and for...

In this quiz, you’ll revisit the core concepts covered in the Revisit Python Fundamentals learning path. The 15 questions span variables, data types, operators, expressions, keywords, and exceptions, giving you a way to check that you understood the most important ideas. Take your time and revisit a...

How do you add agent skills to your data science workflow? How can a coding agent assist with data wrangling and research? This week on the show, Trevor Manz from marimo joins us to discuss marimo pair. [ Improve Your Python With 🐍 Python Tricks 💌 – Get a short & sweet Python Trick delivered to your...

In this quiz, you’ll test your understanding of The Factory Method Pattern and Its Implementation in Python. Factory Method is one of the most widely used design patterns, and it’s a powerful tool for separating object creation from object use in your code. By working through this quiz, you’ll revis...

In this quiz, you’ll test your understanding of Using Python for Data Analysis. By working through this quiz, you’ll revisit the stages of a data analysis workflow, including cleansing raw data with pandas, spotting outliers and typos, and using regression to find relationships between variables. [ ...

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 this tutorial, you’ll: Identify the four common agen...

In this quiz, you’ll test your understanding of ChatterBot: Build a Chatbot With Python. You’ll revisit how ChatterBot learns from conversation data, how it picks replies based on similarity to what it’s already seen, and how it can pull in a local LLM to round out its responses. [ Improve Your Pyth...

Test your knowledge of the redesigned interactive interpreter introduced in Python 3.13: A Modern REPL, including the help system, multiline statement editing, code pasting improvements, and the history browser. Good luck! [ Improve Your Python With 🐍 Python Tricks 💌 – Get a short & sweet Python Tri...

The Python standard library ships with a testing framework named unittest, which you can use to write automated tests for your code. The unittest package has an object-oriented approach where test cases derive from a base class, which has several useful methods. The framework supports many features ...

In this quiz, you’ll test your understanding of Use Codex CLI to Enhance Your Python Projects. By working through this quiz, you’ll revisit how to install and configure Codex CLI, use Plan mode to review changes before they land, and refine features through iterative prompting in your terminal. [ Im...

In this quiz, you’ll test your understanding of Testing Your Code With Python’s unittest. By working through this quiz, you’ll revisit key concepts like structuring tests with TestCase, using assertion methods, skipping tests conditionally, parameterizing with subtests, and preparing test data with ...

Struggling to conceptualize Python fundamentals is a common problem learners face. If you’re unable to put a fundamental concept into perspective and form a clear mental picture of what it’s about, it’ll be difficult to understand and apply it. In this guide, you’ll walk through a framework of steps...

In this quiz, you’ll test your understanding of Python’s __all__: Packages, Modules, and Wildcard Imports. By working through this quiz, you’ll revisit how wildcard imports work, what role the __all__ variable plays in modules and packages, and how to define a clean public API for your Python code. ...

How can learning Rust help make you a better Python Developer? How do techniques required by a compiled language translate to improving your Python code? Christopher Trudeau is back on the show this week with another batch of PyCoder's Weekly articles and projects. [ Improve Your Python With 🐍 Pytho...

In this quiz, you’ll test your understanding of AI Coding Agents Guide: A Map of the Four Workflow Types. By working through this quiz, you’ll revisit the four common workflow types for AI coding agents: IDE, terminal, pull request, and cloud. You’ll also get a chance to review how to match the righ...

There’s a moment many data analysts know well: you have a new dataset and a clear question, and you open a notebook only to find yourself writing boilerplate axis and figure setup before you’ve even looked at the data. Matplotlib gives you fine-grained control, but that control comes with a cost. Al...

In this quiz, you’ll test your understanding of the concepts in the video course SQLite and SQLAlchemy in Python: Move Your Data Beyond Flat Files. By working through this quiz, you’ll revisit how Python, SQLite, and SQLAlchemy work together to give your programs reliable data storage. You’ll also c...