Interactive Quiz ⋅ 10 QuestionsBy Ian Eyre Share In this quiz, you’ll test your understanding of what the Narwhals library offers you. By working through this quiz, you’ll revisit many of the concepts presented in the Writing DataFrame-Agnostic Code With Narwhals tutorial. Remember, also, the official documentation is a great reference source for the latest Narwhals developments. The quiz contains 10 questions and there is no time limit. You’ll get 1 point for each correct answer. At the end of […]

Narwhals is intended for Python library developers who need to analyze DataFrames in a range of standard formats, including Polars, pandas, DuckDB, and others. It does this by providing a compatibility layer of code that handles any differences between the various formats. In this tutorial, you’ll learn how to use the same Narwhals code to analyze data produced by the latest versions of two very common data libraries. You’ll also discover how Narwhals utilizes the efficiencies of your source data’s […]

Interactive Quiz ⋅ 5 QuestionsBy Leodanis Pozo Ramos Share In this quiz, you’ll test your understanding of the Python Inner Functions: What Are They Good For? tutorial. By working through this quiz, you’ll revisit how inner functions work with enclosing scopes, when to use nonlocal to update captured state, how closures retain data across calls, and how decorators wrap a callable to extend behavior. You’ll apply these ideas to organize helpers, reuse state, and write clear, maintainable functions in real […]

A lot happened last month in the world of Python! The core developers pushed ahead on Python 3.15, accepting PEP 810 to bring explicit lazy imports to the language. PyPI tightened account security, Django 6.0 landed with a slew of new features while celebrating twenty years of releases, and the Python Software Foundation (PSF) laid out its financial outlook and kicked off a year-end fundraiser. Let’s dive into the biggest Python news from the past month! Python Releases and PEP […]

Interactive Quiz ⋅ 7 QuestionsBy Bartosz Zaczyński Share In this quiz, you’ll test your understanding of the How to Use Google’s Gemini CLI for AI Code Assistance tutorial. By working through these questions, you’ll revisit how to install and verify prerequisites like Node.js, explore authentication options, and understand the CLI’s permission and safety model. You’ll also practice managing interactive sessions, enforcing stronger models, and approving or editing shell commands securely. To deepen your understanding, review the sections on verifying your […]

This tutorial will teach you how to use Gemini CLI to bring Google’s AI-powered coding assistance directly into your terminal. After you authenticate with your Google account, this tool will be ready to help you analyze code, identify bugs, and suggest fixes—all without leaving your familiar development environment: Gemini CLI Imagine debugging code without switching between your console and browser, or picture getting instant explanations for unfamiliar projects. Like other command-line AI assistants, Google’s Gemini CLI brings AI-powered coding assistance […]