What are the key characteristics of complex systems, and what are practical patterns for tackling complex coding problems? 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 & swee...

In this quiz, you’ll test your understanding of Rock, Paper, Scissors With Python: A Command Line Game. By working through this quiz, you’ll revisit how to collect and normalize player input, replay rounds with a while loop, decide a winner with dictionary-based rules, and swap fragile hard-coded st...

In this quiz, you’ll test your understanding of Getting Started With Claude Code. By working through this quiz, you’ll revisit how Claude Code differs from Claude Chat, how to install and set it up, what belongs in a CLAUDE.md file, and how Git keeps you in control of the changes that Claude Code ma...

Python 3.15 ships with a brand-new profiling package defined in PEP 799. It finally retires the ancient profile module, gives cProfile a new home under profiling.tracing, and adds profiling.sampling, a statistical sampling profiler code-named Tachyon. You can point it at a script, a module, or even ...

In this quiz, you’ll test your understanding of Python 3.15 Preview: Sampling Profiler. By working through this quiz, you’ll revisit how a sampling profiler differs from a tracing one, how to split wall-clock time from CPU time, how to spot which thread is hogging the GIL, how to read flame graphs a...

If you’re like most Python users, including us, then you probably started your Python journey by learning about print(). It helped you write your very own Hello World one-liner. You can use it to display formatted messages onto the screen and perhaps find some bugs. But if you think that’s all there...

In this quiz, you’ll test your understanding of The Python print() Function: Go Beyond the Basics. By working through this quiz, you’ll revisit how string literals and f-strings work, how the sep, end, and flush arguments shape your output, and how to send that output somewhere other than the screen...

In this quiz, you’ll test your understanding of Python 3.12 Preview: Static Typing Improvements. By working through this quiz, you’ll revisit how to declare type variables with the new syntax from PEP 695, how constrained and bounded type variables differ, and how to define type aliases with the typ...

An AGENTS.md file gives your AI coding agent the context it needs to write code that fits your project’s guidelines. It’s a plain Markdown file at your project root where you can pin your Python version, dependency manager, coding conventions, and constraints. In this tutorial, you’ll build one of t...

In this quiz, you’ll test your understanding of How to Write an AGENTS.md File for a Python Project. By working through this quiz, you’ll revisit the blocks that make up an AGENTS.md file: your project domain, setup and management, coding conventions, project structure, quality gates, constraints, a...

Why do AI systems silently fail? How can you set up a system that produces results while also reviewing and validating the work? This week on the show, Calvin Hendryx-Parker returns to discuss his recent talk "Orchestrate Agentic AI: Context, Checklists, and No-Miss Reviews." [ Improve Your Python W...

In this quiz, you’ll test your understanding of Introduction to Git and GitHub for Python Developers. Git is one of the most popular version control systems today, and finding your way around it means you can always get back to the version of your project that worked. By working through this quiz, y...

In this quiz, you’ll test your understanding of Your Guide to the CPython Source Code. You’ll revisit how the source tree is laid out, why the interpreter is written in C, and what really happens when you run a program: bytecode, memory management, and the frames that let a generator remember where ...

In this tutorial, you’ll learn how to use Claude Code to build and debug Python projects using natural-language commands directly from your terminal. Unlike browser-based AI assistants, where you copy code back and forth, Claude Code operates inside your project directory. It reads your files, runs ...

In this quiz, you’ll test your understanding of How to Review AI-Generated Python Code Efficiently. By working through this quiz, you’ll revisit the five-step review workflow, the automated checks that clear the mechanical noise, and the issues that coding agents get wrong most often, like silently ...

In this quiz, you’ll test your understanding of How to Use Claude Code to Write and Debug Python. By working through this quiz, you’ll revisit how to install and authenticate Claude Code, how its permission modes differ, and how a plan-first workflow keeps you in control of every change that lands i...

You can use Python’s deque for efficient appends and pops at both ends of a sequence-like data type. These capabilities are critical when you need to implement queue and stack data structures that operate efficiently even under heavy workloads. In this video course, you’ll learn how deque works, whe...

In this quiz, you’ll test your understanding of Arduino With Python: How to Get Started. By working through this quiz, you’ll revisit how to set up circuits, upload the Firmata sketch to your board, and control digital and analog inputs and outputs from Python. [ Improve Your Python With 🐍 Python Tr...

In this quiz, you’ll test your understanding of Working With Python’s deque. By working through this quiz, you’ll revisit how a deque stores its items in a doubly linked list, why appends and pops at both ends are fast, and when a list is still the better choice. You’ll also check your grasp of buil...

AI debugging is fixing broken code by pairing with an AI coding agent instead of hunting down bugs on your own. In this tutorial, you’ll debug Python code with an AI agent by reproducing a bug with a failing test, giving your agent the context it needs, and verifying the fix that gets your program r...

In this quiz, you’ll test your understanding of How to Debug Python Code With an AI Agent. By working through this quiz, you’ll revisit how to set up a workspace for AI debugging, reproduce a bug with a failing test, hand your agent the context it needs, and verify a fix before you trust it. Along t...

What bottlenecks were preventing NumPy from scaling on free-threaded Python? 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 delivered to your inbox every c...

In this quiz, you’ll test your understanding of How to Publish an Open-Source Python Package to PyPI. By working through this quiz, you’ll revisit how to name and configure a package with pyproject.toml, specify dependencies, version your releases, build source archives and wheels, and upload the re...

Adding observability to your applications is crucial for diagnosing issues in production. In this tutorial, you’ll learn how to integrate OpenTelemetry—an open-source observability framework—into a FastAPI application. After following along, you’ll be able to instrument FastAPI with OpenTelemetry to...

In this quiz, you’ll test your understanding of How to Integrate OpenTelemetry With a FastAPI App. By working through this quiz, you’ll revisit how to instrument a FastAPI application with OpenTelemetry, create custom spans for your business logic, correlate your logs with traces, and configure samp...

OpenCode is an open-source AI coding agent that runs in your terminal and lets you analyze and refactor a Python project through conversational commands. In this video course, you’ll install it on your system, set it up with a free Google Gemini API key, and learn the basics of how to use it in your...

In this quiz, you’ll test your understanding of the concepts covered in Coding With OpenCode: AI-Assisted Python. By working through this quiz, you’ll revisit how to install OpenCode, connect it to a free Google Gemini API key, and use Plan and Build modes to analyze and refactor a Python project wi...

Qt Designer is a tool that lets you build the graphical user interface (GUI) of a PyQt application visually, by dragging and dropping widgets onto a form instead of writing layout code by hand. In Python, you save those designs as .ui files and load them into your apps, which can speed up your GUI d...

How can you move from manually writing prompts for an LLM application toward defining them programmatically? This week on the show, Brett Kennedy returns to discuss his new book "Building LLM Applications with DSPy." [ Improve Your Python With 🐍 Python Tricks 💌 – Get a short & sweet Python Trick del...

In this quiz, you’ll test your understanding of How to Use Type Hints for Multiple Return Types in Python. By working through this quiz, you’ll revisit how to annotate a function that returns one value of alternative types, and how to describe several pieces of data at once with a tuple. You’ll also...