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Watch Now This tutorial has a related video course created by the Real Python team. Watch it together with the written tutorial to deepen your understanding: Cool New Features in Python 3.9 Python 3.9 is here! Volunteers from all over the world have been working on improvements to Python for the past year. While beta versions have been available for some time, the first official version of Python

Watch Now This tutorial has a related video course created by the Real Python team. Watch it together with the written tutorial to deepen your understanding: Cool New Features in Python 3.8 The newest version of Python is released! Python 3.8 has been available in beta versions since the summer, but on October 14th, 2019 the first official version is ready. Now, we can all start playing with the n

Are there certain parts of Python that just seem magic? Like how are dictionaries so much faster than looping over a list to find an item. How does a generator remember the state of the variables each time it yields a value and why do you never have to allocate memory like other languages? It turns out, CPython, the most popular Python runtime is written in human-readable C and Python code. This t

Watch Now This tutorial has a related video course created by the Real Python team. Watch it together with the written tutorial to deepen your understanding: Using Google Login With Flask You’ve probably seen the option for Google Login on various websites. Some sites also have more options like Facebook Login or GitHub Login. All these options allow users to utilize existing accounts to use a new

Watch Now This tutorial has a related video course created by the Real Python team. Watch it together with the written tutorial to deepen your understanding: Improve Your Tests With the Python Mock Object Library Python’s unittest.mock library is a tool that helps you create mock objects to simulate complex logic and unpredictable dependencies. This helps you write valuable tests that verify your

Watch Now This tutorial has a related video course created by the Real Python team. Watch it together with the written tutorial to deepen your understanding: Python Type Checking In this guide, you will get a look into Python type checking. Traditionally, types have been handled by the Python interpreter in a flexible but implicit way. Recent versions of Python allow you to specify explicit type h

Watch Now This tutorial has a related video course created by the Real Python team. Watch it together with the written tutorial to deepen your understanding: Pointers and Objects in Python If you’ve ever worked with lower level languages like C or C++, then you’ve probably heard of pointers. Pointers allow you to create great efficiency in parts of your code. They also cause confusion for beginner

Watch Now This tutorial has a related video course created by the Real Python team. Watch it together with the written tutorial to deepen your understanding: Speed Up Python With Concurrency If you’ve heard lots of talk about asyncio being added to Python but are curious how it compares to other concurrency methods or are wondering what concurrency is and how it might speed up your program, you’ve

Watch Now This tutorial has a related video course created by the Real Python team. Watch it together with the written tutorial to deepen your understanding: Threading in Python Python threading allows you to have different parts of your program run concurrently and can simplify your design. If you’ve got some experience in Python and want to speed up your program using threads, then this tutorial

Watch Now This tutorial has a related video course created by the Real Python team. Watch it together with the written tutorial to deepen your understanding: Python Development in Visual Studio Code (Setup Guide) One of the coolest code editors available to programmers, Visual Studio Code, is an open-source, extensible, light-weight editor available on all platforms. It’s these qualities that make

Watch Now This tutorial has a related video course created by the Real Python team. Watch it together with the written tutorial to deepen your understanding: Practical Recipes for Working With Files in Python Python has several built-in modules and functions for handling files. These functions are spread out over several modules such as os, os.path, shutil, and pathlib, to name a few. This article

Watch Now This tutorial has a related video course created by the Real Python team. Watch it together with the written tutorial to deepen your understanding: Hands-On Python 3 Concurrency With the asyncio Module Async IO is a concurrent programming design that has received dedicated support in Python, evolving rapidly from Python 3.4 through 3.7, and probably beyond. You may be thinking with dread

Watch Now This tutorial has a related video course created by the Real Python team. Watch it together with the written tutorial to deepen your understanding: Python String Formatting Tips & Best Practices String formatting is the process of applying a proper format to a given value while using this value to create a new string through interpolation. Python has several tools for string interpolatio

Watch Now This tutorial has a related video course created by the Real Python team. Watch it together with the written tutorial to deepen your understanding: Python 3's F-Strings: An Improved String Formatting Syntax Python f-strings provide a quick way to interpolate and format strings. They’re readable, concise, and less prone to error than traditional string interpolation and formatting tools,

Watch Now This tutorial has a related video course created by the Real Python team. Watch it together with the written tutorial to deepen your understanding: Continuous Integration With Python When writing code on your own, the only priority is making it work. However, working in a team of professional software developers brings a plethora of challenges. One of those challenges is coordinating man

Watch Now This tutorial has a related video course created by the Real Python team. Watch it together with the written tutorial to deepen your understanding: Interactive Data Visualization in Python With Bokeh Bokeh prides itself on being a library for interactive data visualization. Unlike popular counterparts in the Python visualization space, like Matplotlib and Seaborn, Bokeh renders its graph

Watch Now This tutorial has a related video course created by the Real Python team. Watch it together with the written tutorial to deepen your understanding: How Python Manages Memory Ever wonder how Python handles your data behind the scenes? How are your variables stored in memory? When do they get deleted? In this article, we’re going to do a deep dive into the internals of Python to understand

Watch Now This tutorial has a related video course created by the Real Python team. Watch it together with the written tutorial to deepen your understanding: Learn Text Classification With Python and Keras Imagine you could know the mood of the people on the Internet. Maybe you are not interested in its entirety, but only if people are today happy on your favorite social media platform. After this

Watch Now This tutorial has a related video course created by the Real Python team. Watch it together with the written tutorial to deepen your understanding: Test-Driven Development With pytest This tutorial is for anyone who has written a fantastic application in Python but hasn’t yet written any tests. Testing in Python is a huge topic and can come with a lot of complexity, but it doesn’t need t

For the past three years, I’ve had the privilege of attending the Python Conference (PyCon) in the United States. PyCon US is a yearly event where Pythonistas get together to talk and learn about Python. It’s a great place to learn, meet new fellow Python devs, and get some seriously cool swag. The first time I attended, I quickly realized that it was more a community event than a typical conferen

Watch Now This tutorial has a related video course created by the Real Python team. Watch it together with the written tutorial to deepen your understanding: Logging in Python Recording relevant information during the execution of your program is a good practice as a Python developer when you want to gain a better understanding of your code. This practice is called logging, and it’s a very useful

In this article, we highlight the best books for learning Python through a collection of book reviews. Each review gives you a taste of the book, the topics covered, and the context used to illustrate those topics. Different books will resonate with different people, depending on the style and presentation of the books, the readers’ backgrounds, as well as other factors. Python is an amazing progr

Watch Now This tutorial has a related video course created by the Real Python team. Watch it together with the written tutorial to deepen your understanding: Idiomatic pandas: Tricks & Features You May Not Know pandas is a foundational library for analytics, data processing, and data science. It’s a huge project with tons of optionality and depth. This tutorial will cover some lesser-used but idio

Watch Now This tutorial has a related video course created by the Real Python team. Watch it together with the written tutorial to deepen your understanding: Socket Programming in Python Part 1: Handling Connections Sockets and the socket API are used to send messages across a network. They provide a form of inter-process communication (IPC). The network can be a logical, local network to the comp

Watch Now This tutorial has a related video course created by the Real Python team. Watch it together with the written tutorial to deepen your understanding: Documenting Python Code: A Complete Guide Welcome to your complete guide to documenting Python code. Whether you’re documenting a small script or a large project, whether you’re a beginner or a seasoned Pythonista, this guide will cover every

Fast, Flexible, Easy and Intuitive: How to Speed Up Your pandas Projects If you work with big data sets, you probably remember the “aha” moment along your Python journey when you discovered the pandas library. pandas is a game changer for data science and analytics, particularly if you came to Python because you were searching for something more powerful than Excel and VBA. So what is it about pan

Most modern web applications are powered by a REST API under the hood. That way, developers can separate the front-end code from the back-end logic, and users can interact with the interface dynamically. In this three-part tutorial series, you’ll build a REST API with the Flask web framework. You’ll create a foundation with a basic Flask project then add endpoints and connect them to a SQLite data

Watch Now This tutorial has a related video course created by the Real Python team. Watch it together with the written tutorial to deepen your understanding: Structuring a Python Application Python, though opinionated on syntax and style, is surprisingly flexible when it comes to structuring your applications. On the one hand, this flexibility is great: it allows different use cases to use structu