In this quiz, you’ll test your understanding of Python Strings and Character Data. This quiz helps you deepen your understanding of Python’s string and byte data types. You’ll explore core concepts like string immutability, interpolation with f-strings, Unicode handling, key string methods, and work...

How do you quickly get an understanding of what's inside a new set of data? How can you share an exploratory data analysis with your team? 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 💌 – Ge...

In this quiz, you’ll test your understanding of Python Decorators 101. Work through this quiz to review first-class functions, inner functions, and decorators, and learn how to create, reuse, and apply them to extend behavior cleanly in Python. [ Improve Your Python With 🐍 Python Tricks 💌 – Get a sh...

In this quiz, you’ll test your understanding of Add Python to PATH. By working through this quiz, you’ll review what the PATH environment variable is, how the shell searches it in order. You’ll also practice adding Python to PATH on Windows, Linux, and macOS, prepending directories with export, refr...

Build LLM-powered applications in Python. Call model APIs, craft prompts, add retrieval-augmented generation, create AI agents, and connect via MCP. [ Improve Your Python With 🐍 Python Tricks 💌 – Get a short & sweet Python Trick delivered to your inbox every couple of days. >> Click here to learn mo...

Staying consistent with learning Python can be challenging. This guide helps you create a weekly Python study schedule that you can stick to and shows you how it works in practice. By the end of this guide, you’ll have a practical, personal schedule that fits your life, not the other way around. You...

In this quiz, you’ll test your understanding of Python Data Types. By working through this quiz, you’ll revisit basic numeric, string, and Boolean types, how Python represents these objects, and common built-in functions. This quiz helps beginners solidify a foundation for working with Python types ...

Python makes it straightforward to download files from a URL with its robust set of libraries. For quick tasks, you can use the built-in urllib module or the requests library to fetch and save files. When working with large files, streaming data in chunks can help save memory and improve performance...

In this quiz, you’ll test your understanding of Linked Lists in Python. By working through this quiz, you’ll revisit what linked lists are, when to use collections.deque, how to implement your own linked lists, and the other linked list types and use cases. [ Improve Your Python With 🐍 Python Tricks...

There are many different integrated development environments (IDEs) to choose from for Python development. One popular option for data-focused work is Spyder, an open-source Python IDE geared toward scientists, engineers, and data analysts. Its name comes from Scientific PYthon Development EnviRonme...

In this quiz, you’ll test your understanding of Speed Up Python With Concurrency. You’ll explore how I/O-bound programs face latency, which concurrency patterns to use, the differences between threading, asyncio, and multiprocessing, and how the Global Interpreter Lock (GIL) affects Python programs....

How well do you know Python string manipulation? In this quiz, you’ll revisit concepts like string immutability, splitting and joining with different arguments, and building safe string operations for tasks like CSV handling. You’ll get hands-on practice with real examples from the Splitting, Concat...

What goes into creating the tutorials you read at Real Python? What are the steps in the editorial process, and who are the people behind the scenes? This week on the show, Real Python team members Martin Breuss, Brenda Weleschuk, and Philipp Acsany join us to discuss topic curation, review stages, ...

Test your understanding of Python Coding Setup on Windows. By working through this quiz, you’ll review the key steps for setting up a Python development environment on Windows. You’ll cover system updates, Windows Terminal, package managers, PowerShell profiles, environment variables, and safe use o...

In this quiz, you’ll test your understanding of Working With Files in Python. By working through this quiz, you’ll revisit key techniques for handling files and directories in Python. You’ll practice safely opening files, iterating over directories, and filtering entries to select only files or subd...

In this quiz, you’ll test your understanding of How to Use Ollama to Run Large Language Models Locally. By working through this quiz, you’ll revisit how to install Ollama, pull and manage models, chat with local LLMs from your terminal, and connect them to AI coding tools. Running models locally mea...

Pydantic AI is a Python framework for building LLM agents that return validated, structured outputs using Pydantic models. Instead of parsing raw strings from LLMs, you get type-safe objects with automatic validation. If you’ve used FastAPI or Pydantic before, then you’ll recognize the familiar patt...

In this quiz, you’ll test your understanding of Creating and Modifying PDF Files in Python. By working through this quiz, you’ll practice reading, extracting, and modifying PDFs using the pypdf library. You’ll also review how to write new PDFs, concatenate and merge files, crop pages, and encrypt or...

In this quiz, you’ll test your understanding of Threading in Python. By working through this quiz, you’ll revisit how to create and manage threads, use ThreadPoolExecutor, prevent race conditions with locks, and build producer-consumer pipelines with the queue module. You can also review the written...

Python is an excellent choice for working with Application Programming Interfaces (APIs), allowing you to efficiently consume and interact with them. By using the Requests library, you can easily fetch data from APIs that communicate using HTTP, such as REST, SOAP, or GraphQL APIs. This video course...

In this quiz, you’ll test your understanding of Python Descriptors. By working through this quiz, you’ll revisit the descriptor protocol, how .__get__() and .__set__() control attribute access, and how to implement read only descriptors. You’ll also explore data vs. non-data descriptors, attribute l...

After years of community requests, Python is finally getting frozendict. The Steering Council accepted PEP 814 in February, bringing an immutable, hashable dictionary as a built-in type in Python 3.15. It’s one of those additions that feels overdue, and the frozenset-to-set analogy makes it immediat...

In this quiz, you’ll test your understanding of Python SQL Libraries. Work through this quiz to connect to databases with Python, interact with SQLite, MySQL, and PostgreSQL, run SQL queries, and write scripts that work across databases. Reinforce your practical skills for building Python apps backe...

In this quiz, you’ll test your understanding of Pydantic AI: Build Type-Safe LLM Agents in Python. You’ll revisit what Pydantic AI is, how to specify a model provider, how to return structured outputs using Pydantic models, how to register and select tools, how dependency injection works, and what t...

In this quiz, you’ll test your understanding of Python stacks, queues, and priority queues. You’ll review LIFO and FIFO behavior, enqueue and dequeue operations, and how deques work. You’ll implement a queue with collections.deque and learn how priority queues order elements. You’ll also see how que...

One of the quickest ways to call multiple AI models from a single Python script is to use OpenRouter’s API, which acts as a unified routing layer between your code and multiple AI providers. By the end of this guide, you’ll access models from several providers through one unified API, as shown in th...

Python’s special __init__.py file marks a directory as a regular Python package and allows you to import its modules. This file runs automatically the first time you import its containing package. You can use it to initialize package-level variables, define functions or classes, and structure the pa...

The YData Profiling package generates an exploratory data analysis (EDA) report with a few lines of code. The report provides dataset and column-level analysis, including plots and summary statistics to help you quickly understand your dataset. These reports can be exported to HTML or JSON so you ca...

Do you have complex logic and unpredictable dependencies that make it hard to write reliable tests? How can you use Python's mock object library to improve your tests? Christopher Trudeau is back on the show this week with another batch of PyCoder's Weekly articles and projects. [ Improve Your Pytho...

Running Python scripts is essential for executing your code. You can run Python scripts from the command line using python script.py, directly by making files executable with shebangs on Unix systems, or through IDEs and code editors. Python also supports interactive execution through the standard R...