realpython

realpython, 4 days ago to random

📺🐍 Python Interfaces: Object-Oriented Design Principles

In this video course, you'll explore how to use a Python interface. You'll come to understand why interfaces are so useful and learn how to implement formal and informal interfaces in Python. You'll also examine the differences between Python interfaces and those in other programming languages

https://realpython.com/courses/interfaces-object-oriented-design-principles/

realpython, 5 days ago to random

🐍📰 String Interpolation in Python: Exploring Available Tools

In this tutorial, you'll learn about the different tools that Python provides for performing string interpolation. String interpolation allows you to create new strings by inserting different objects into a string template

https://realpython.com/python-string-interpolation/

realpython, 8 days ago to random

🎧🐍 Episode #206 of the Real Python Podcast is live: Building Python Unit Tests & Exploring a Data Visualization Gallery

How do you start adding unit tests to your Python code? Can the built-in unittest framework cover most or all of your needs? Christopher Trudeau is back on the show this week, bringing another batch of PyCoder's Weekly articles and projects.

https://realpython.com/podcasts/rpp/206/

realpython, 10 days ago to random

🐍📰 What Are CRUD Operations?

CRUD operations are the cornerstone of application functionality. Whether you access a database or interact with a REST API, you usually want to create, retrieve, update, and delete data. In this tutorial, you'll explore how CRUD operations work in practice

https://realpython.com/crud-operations/

realpython, 11 days ago to random

📺🐍 Efficient Iterations With Python Iterators and Iterables

In this video course, you'll learn what iterators and iterables are in Python. You'll learn how they differ and when to use them in your code. You'll also learn how to create your own iterators and iterables to make data processing more efficient

https://realpython.com/courses/efficient-iterations-iterators-iterables/

realpython, 12 days ago to random

🐍📰 How to Create Pivot Tables With pandas

In this tutorial, you'll learn how to create pivot tables using pandas. You'll explore the key features of DataFrame's pivot_table() method and practice using them to aggregate your data in different ways

https://realpython.com/how-to-pandas-pivot-table/

realpython, 17 days ago to random

🐍📰 The Python calendar Module: Create Calendars With Python

Learn to use the Python calendar module to create and customize calendars in plain text, HTML or directly in your terminal

https://realpython.com/python-calendar-module/

realpython, 18 days ago to random

📺🐍 Building a Python GUI Application With Tkinter

In this video course, you'll learn the basics of GUI programming with Tkinter, the de facto Python GUI framework. Master GUI programming concepts such as widgets, geometry managers, and event handlers. Then, put it all together by building two applications: a temperature converter and a text editor

https://realpython.com/courses/building-gui-application-tkinter/

realpython, 19 days ago to random

🐍📰 Basic Data Types in Python: A Quick Exploration

In this tutorial, you'll learn about the basic data types that are built into Python, including numbers, strings, bytes, and Booleans

https://realpython.com/python-data-types/

realpython, 22 days ago to random

🎧🐍 Episode #205 of the Real Python Podcast is live: Considering Accessibility & Assistive Tech as a Python Developer

What's it like to learn Python as a visually impaired or blind developer? How can you improve the accessibility of your Python web applications and learn current guidelines? This week on the show, Real Python community member Audrey van Breederode discusses her programming journey, web accessibility, and assistive technology.

https://realpython.com/podcasts/rpp/205/

realpython, 24 days ago to random

🐍📰 Python's Built-in Exceptions: A Walkthrough With Examples

In this tutorial, you'll get to know some of the most commonly used built-in exceptions in Python. You'll learn when these exceptions can appear in your code and how to handle them. Finally, you'll learn how to raise some of these exceptions in your code

https://realpython.com/python-built-in-exceptions/

realpython, 25 days ago to random

📺🐍 HTML and CSS Foundations for Python Developers

There's no way around HTML and CSS when you want to build web apps. Even if you're not aiming to become a web developer, knowing the basics of HTML and CSS will help you understand the Web better. In this video course, you'll get an introduction to HTML and CSS for Python programmers

https://realpython.com/courses/html-css-foundations/

realpython, 26 days ago to random

🐍📰 What Is the pycache Folder in Python?

In this tutorial, you'll explore Python's pycache folder. You'll learn about when and why the interpreter creates these folders, and you'll customize their default behavior. Finally, you'll take a look under the hood of the cached .pyc files

https://realpython.com/python-pycache/

realpython, 29 days ago to random

🎧🐍 Episode #204 of the Real Python Podcast is live: Querying OpenStreetMaps via API & Lazy Evaluation in Python

Would you like to get more practice working with APIs in Python? How about exploring the globe using the data from OpenStreetMap? Christopher Trudeau is back on the show this week, bringing another batch of PyCoder's Weekly articles and projects.

https://realpython.com/podcasts/rpp/204/

realpython, 1 month ago to random

🐍📰 PyTorch vs TensorFlow for Your Python Deep Learning Project

PyTorch vs Tensorflow: Which one should you use? Learn about these two popular deep learning libraries and how to choose the best one for your project

https://realpython.com/pytorch-vs-tensorflow/

realpython, 1 month ago to random

📺🐍 Flattening a List of Lists in Python

In this video course, you'll learn how to flatten a list of lists in Python. You'll use different tools and techniques to accomplish this task. First, you'll use a loop along with the .extend() method of list. Then you'll explore other tools, including reduce(), sum(), itertools.chain(), and more

https://realpython.com/courses/flatten-list-of-lists/

realpython, 1 month ago to random

🐍📰 Python News: What's New From April 2024

In April 2024, the last alpha release of Python 3.13 was published. At the same time, the PSF announced some great news, and PyCon US 2024 opened its call for volunteers. Some fundamental Python projects, such as Django, pandas, and Pillow, also released new versions

https://realpython.com/python-news-april-2024/

realpython, 1 month ago to random

🎧🐍 Episode #203 of the Real Python Podcast is live: Embarking on a Relaxed and Friendly Python Coding Journey

Do you get stressed while trying to learn Python? Do you prefer to build small programs or projects as you continue your coding journey? This week on the show, Real Python author Stephen Gruppetta is here to talk about his new book, "The Python Coding Book."

https://realpython.com/podcasts/rpp/203/

realpython, 1 month ago to random

🐍📰 Python Sequences: A Comprehensive Guide

This tutorial dives into Python sequences, which is one of the main categories of data types. You'll learn about the properties that make an object a sequence and how to create user-defined sequences

https://realpython.com/python-sequences/

realpython, 1 month ago to random

📺🐍 Working With Global Variables in Python Functions

In this video course, you'll learn how to use global variables in Python functions using the global keyword or the built-in globals() function. You'll also learn a few strategies to avoid relying on global variables because they can lead to code that's difficult to understand, debug, and maintain

https://realpython.com/courses/global-variables-in-python-functions/

realpython, 1 month ago to random

🐍📰 Python's unittest: Writing Unit Tests for Your Code

In this tutorial, you'll learn how to use the unittest framework to create unit tests for your Python code. Along the way, you'll also learn how to create test cases, fixtures, test suites, and more

https://realpython.com/python-unittest/

realpython, 1 month ago to random

🎧🐍 Episode #202 of the Real Python Podcast is live: Pydantic Data Validation & Python Web Security Practices

How do you verify and validate the data coming into your Python web application? What tools and security best practices should you consider as a developer? Christopher Trudeau is back on the show this week, bringing another batch of PyCoder's Weekly articles and projects.

https://realpython.com/podcasts/rpp/202/

realpython, 1 month ago to random

🐍📰 What's Lazy Evaluation in Python?

This tutorial explores lazy evaluation in Python and looks at the advantages and disadvantages of using lazy and eager evaluation methods. By the end of this tutorial, you'll clearly understand which approach is best for you, depending on your needs

https://realpython.com/python-lazy-evaluation/

realpython, 1 month ago to random

📺🐍 Python Basics Exercises: Scopes

In this Python Basics Exercises course, you'll practice working with scope in Python. You'll reinforce important coding concepts by working with variables inside and outside of functions and loops. You'll also get to practice the LEGB rule

https://realpython.com/courses/python-basics-exercises-scopes/

realpython, 1 month ago to random

🐍📰 Write Unit Tests for Your Python Code With ChatGPT

In this tutorial, you'll learn how to use ChatGPT to generate tests for your Python code. You'll use the chat to create doctest, unittest, and pytest tests for your code

https://realpython.com/chatgpt-unit-tests-python/