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...

Python’s openai library provides the tools you need to integrate the ChatGPT API into your Python applications. With it, you can send text prompts to the API and receive AI-generated responses. You can also guide the AI’s behavior with developer role messages and handle both simple text generation a...

In this quiz, you’ll test your understanding of Leverage OpenAI’s API in Your Python Projects. By working through this quiz, you’ll revisit key concepts like setting up authentication, sending prompts with the openai library, controlling AI behavior with role-based messages, and structuring outputs ...

In this quiz, you’ll test your understanding of uv vs pip: Python Packaging and Dependency Management. By working through this quiz, you’ll revisit key differences between uv and pip, including package installation speed, dependency management, reproducible environments, and governance. [ Improve Yo...

When comparing Gemini CLI vs Claude Code, the answer to “which one is better?” is usually it depends. Both tools boost productivity for Python developers, but they have different strengths. Choosing the right one depends on your budget, workflow, and what you value most in generated code. Gemini CLI...

In this quiz, you’ll test your understanding of How to Conceptualize Python Fundamentals for Greater Mastery. By working through this quiz, you’ll revisit a framework for forming a clear mental picture of Python concepts, including defining ideas in your own words, finding real-world and software an...

What are the current techniques being employed to improve the performance of LLM-based systems? How is the industry shifting from post-training towards context engineering and multi-agent orchestration? This week on the show, Jodie Burchell, data scientist and Python Advocacy Team Lead at JetBrains,...

Test your understanding of the Working With Python Virtual Environments video course. You’ll revisit why virtual environments matter, how to create and activate them, and how to install and manage packages inside an isolated Python environment. [ Improve Your Python With 🐍 Python Tricks 💌 – Get a sh...

In this quiz, you’ll test your understanding of Welcome to Real Python! By working through this quiz, you’ll revisit key platform features like video courses, written tutorials, interactive quizzes, Learning Paths, and the Slack community. You’ll also review strategies for learning effectively, incl...

Build Python games from command-line projects to 2D graphical games with turtle, Tkinter, Pygame, and Arcade. [ Improve Your Python With 🐍 Python Tricks 💌 – Get a short & sweet Python Trick delivered to your inbox every couple of days. >> Click here to learn more and see examples ]

In Python, variables are symbolic names that refer to objects or values stored in your computer’s memory. They allow you to assign descriptive names to data, making it easier to manipulate and reuse values throughout your code. You create a Python variable by assigning a value using the syntax varia...

Test your understanding of the Design and Guidance: Object-Oriented Programming in Python video course. You’ll revisit single responsibility, open-closed, Liskov substitution, interface segregation, and dependency inversion. You’ll also review when to use classes in Python and alternatives to inheri...

The era of large language models (LLMs) is here, bringing with it rapidly evolving libraries like ChromaDB that help augment LLM applications. You’ve most likely heard of chatbots like OpenAI’s ChatGPT, and perhaps you’ve even experienced their remarkable ability to reason about natural language pro...

In this quiz, you’ll test your understanding of Explore Your Dataset With pandas. By working through this quiz, you’ll revisit pandas core data structures, reading CSV files, indexing and filtering data, grouping and aggregating results, understanding dtypes, and combining DataFrames. This quiz help...

In this quiz, you’ll test your understanding of Altair: Declarative Charts With Python. By working through this quiz, you’ll revisit Altair’s core grammar of Data, Mark, and Encode, encoding channels and type shorthands, interactive selections with brushing and linked views, and common limitations t...

In this quiz, you’ll test your understanding of Embeddings and Vector Databases With ChromaDB. By working through this quiz, you’ll revisit key concepts like vectors, cosine similarity, word and text embeddings, ChromaDB collections, metadata filtering, and retrieval-augmented generation (RAG). [ Im...