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 that will help you write consistent unit tests for your code. These features include test cases, fixtures, test suites, and test discovery capabilities. In this video course, you’ll learn how to: Write unittest […]

Interactive Quiz ⋅ 9 QuestionsBy Joseph Peart Share 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. You’ll need to know the basics of Python modules and packages and the import system to get the most out of this quiz. Good […]

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 to help you better conceptualize Python fundamentals. This process is helpful for Python developers and learners at any experience level, but especially for beginners. If you are just starting out, this […]

Interactive Quiz ⋅ 9 QuestionsBy Joseph Peart Share 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 right workflow to the task in front of you. The quiz contains 9 questions and there is no time limit. […]

Interactive Quiz ⋅ 8 QuestionsBy Joseph Peart Share 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 check your grasp of primary and foreign keys, SQLAlchemy’s Core and ORM layers, and the many-to-many relationships that tie your data together. The quiz […]

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. Altair takes a completely different approach to data visualization in Python. Instead of scripting every visual detail, you describe what your data means. This includes specifying which column goes […]

Interactive Quiz ⋅ 8 QuestionsBy Joseph Peart Share 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 analogies, comparing similar concepts, and learning by teaching. With this framework in hand, you’ll be better equipped to approach new Python topics with confidence. The quiz contains […]

Interactive Quiz ⋅ 7 QuestionsBy Joseph Peart Share 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. The quiz contains 7 questions and there is no time limit. You’ll get 1 point for each correct answer. At the end of the quiz, you’ll receive a total score. The maximum score […]

Interactive Quiz ⋅ 10 QuestionsBy Joseph Peart Share 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 with Pydantic models. The quiz contains 10 questions and there is no time limit. You’ll get 1 point for each correct answer. At the end of the quiz, you’ll […]

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 and more complex code creation tasks. After watching this video course, you’ll understand how examples like this work under the hood. You’ll learn the fundamentals of using the ChatGPT API from Python […]