In this quiz, you’ll test your understanding of Python’s Assignment Operator: Write Robust Assignments. By working through this quiz, you’ll revisit how to write assignment statements, work with parallel assignment and iterable unpacking, use augmented assignments, and explore variants like the walr...

At 3 a.m., a scheduled data pipeline fails with an AssertionError, and the traceback can’t tell you whether the cause is one stray row or a systematic bleed that should halt the entire run. Pointblank, a Python data-validation library, sharpens that decision: it checks a Polars or pandas DataFrame a...

In this quiz, you’ll test your understanding of Validating Data With Pointblank in Python. By working through this quiz, you’ll revisit how to declare validation rules, set severity thresholds, sunder clean rows from dirty ones, and rerun a validation plan from YAML with the pb command-line tool. Da...

You probably found this video course because you want to send emails with Python to automate confirmation messages, password resets, or scheduled notifications. Python’s standard library covers the whole pipeline, from making a server connection to building the message and sending it to one or many ...

In this quiz, you’ll test your understanding of the concepts covered in Sending Emails Using Python. By working through this quiz, you’ll revisit how SMTP carries a message from your code to a mail server, how the EmailMessage class assembles plain text, HTML alternatives, and file attachments, and ...

In this quiz, you’ll test your understanding of K-Means Clustering in Python: A Practical Guide. By working through this quiz, you’ll revisit how k-means groups data into clusters, how the main clustering categories compare, and how to build and tune a k-means pipeline with scikit-learn. k-means is ...

Some months, the AI news is just a trickle of point releases. But this past month was like a firehose. The protocol that connects agents to your tools got its biggest rewrite since inception, and Anthropic, OpenAI, Google, Meta, Moonshot, and a brand-new lab founded by a former OpenAI CTO all shippe...

In this quiz, you’ll test your understanding of Bypassing the GIL for Parallel Processing in Python. The global interpreter lock stops your threads from executing Python bytecode at the same time, which caps the speed of CPU-bound code no matter how many cores you have on hand. By working through th...

Should you understand the entirety of your codebase? How familiar are you with Python's built-in functions? 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 Python Trick ...

Test your understanding of 11 Beginner Tips for Learning Python Programming. You’ll revisit the habits that make new concepts stick, the people and communities that speed up your progress, and the projects that turn what you know into what you can build. [ Improve Your Python With 🐍 Python Tricks 💌 ...

In this quiz, you’ll test your understanding of NumPy Tutorial: Your First Steps Into Data Science in Python. By working through these questions, you’ll revisit how NumPy arrays work, including axes, broadcasting, indexing, Boolean masks, and data types. These are the building blocks that most of Py...

Have you ever asked ChatGPT to research something, analyze the findings, and then write a polished report, all in one prompt? You probably got something back, but it wasn’t great. That’s because you’re asking a single model to wear way too many hats at once. CrewAI is a Python framework that solves ...

Python has something called wildcard imports, which look like from module import *. This type of import allows you to quickly get all the objects from a module into your namespace. However, using this import on a package can be confusing because it’s not clear what you want to import: subpackages, m...

In this quiz, you’ll test your understanding of Managing Imports With Python’s __all__. 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. [ Improve Your Pyth...

Antigravity CLI is a terminal-based AI coding tool that brings Google’s agent assistance into your workflow. After installing it and signing in with your Google account, you can ask questions about your code, add new features, track down bugs, and even dispatch multiple subagents to work on separate...

In this quiz, you’ll test your understanding of How to Use Google’s Antigravity CLI for AI Code Assistance. By working through this quiz, you’ll revisit how to install and authenticate the tool, prompt the agent to read and refactor your code, and review its work before it lands. You’ll also recall ...

Which is more important, the model or the "harness" around an LLM? What are ways to assemble an efficient agentic developer workflow? This week on the show, Ayan Pahwa joins us to discuss harnessing, web scraping, and self-hosting Python applications. [ Improve Your Python With 🐍 Python Tricks 💌 – G...

In this quiz, you’ll test your understanding of A Guide to Excel Spreadsheets in Python With openpyxl. By working through this quiz, you’ll revisit how to read data from spreadsheets, create new workbooks, and work with cells, rows, and columns. You’ll also review adding formulas, styles, conditiona...

The Python lock file, pylock.toml, records exact dependencies your project needs so installs come out the same every time. It isn’t the first of its kind, though—most modern package tools already define their own lock formats. This has led to a fragmented landscape where reproducibility is often lim...

In this quiz, you’ll test your understanding of Tool-Agnostic Python Lock Files With PEP 751 and pylock.toml. By working through these questions, you’ll revisit how to generate a pylock.toml with pip, what its wheel metadata and hashes give you, how it compares to requirements.txt, and how tools lik...

Learn FastAPI from the ground up. Build REST APIs, serve web pages with Jinja2 templates, and create a complete URL shortener project in Python. [ 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 a...

Python’s built-in functions are predefined functions you can use anywhere in your code without any imports. They handle common tasks across math, data type creation, iterable processing, and input and output. Knowing which ones to reach for makes your code shorter and more Pythonic. In this video co...

In this quiz, you’ll test your understanding of Exploring Python’s Built-in Functions. By working through these questions, you’ll revisit Python’s built-in functions for math, data types, iterables, and input and output, and you’ll sharpen your sense of when to reach for each one to write more Pytho...

In this quiz, you’ll revisit the core concepts covered in the FastAPI: Python API Development With Light Speed learning path: Learning Path FastAPI: Python API Development With Light Speed 5 Resources ⋅ Skills: FastAPI, REST APIs, Web Development, Jinja2 You’ll touch on installing and running FastAP...

The main data structure you’ll use in NumPy, Python’s core library for numerical computing, is the N-dimensional array. Sometimes you need to reorganize the values in a NumPy array into a different layout. That’s what NumPy’s reshape() is for. It changes an array’s shape without changing its data, s...

In this quiz, you’ll test your understanding of Using NumPy reshape() to Change the Shape of an Array. By working through these questions, you’ll revisit how to reshape an array into a compatible shape, add or remove dimensions, and use the order parameter to control how NumPy rearranges your data. ...

How many attempts have been made to remove Python's Global Interpreter Lock (GIL)? How do they compare to the current approach? 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 &...

In this tutorial, you’ll write CLAUDE.md files for Claude Code that capture your Python workflow, project commands, and coding rules. You’ll create a global file for personal defaults, a project-level file for repository guidance, and one for local notes that shouldn’t be committed to version contro...

In this quiz, you’ll test your understanding of How to Write a CLAUDE.md File for Claude Code. You’ll revisit how to split guidance across global, project-level, and local files, audit Claude Code for repeated mistakes, and decide what belongs in a project-level CLAUDE.md that captures the commands ...

Mixins offer a powerful way to reuse code across multiple Python classes without forcing them into a rigid inheritance hierarchy. Instead of building deep and brittle class trees, you can use mixins to share common behaviors in a modular and flexible way. Learn when and how to implement mixin classe...