realpython.com / .realpython-com / Page 7

In this step-by-step tutorial, you'll learn how to use the Python zip() function to solve common programming problems. You'll learn how to traverse multiple iterables in parallel and create dictionaries with just a few lines of code.

In this tutorial, you'll learn how and when to use the len() Python function. You'll also learn how to customize your class definitions so that objects of a user-defined class can be used as arguments in len().

How do you build a sustainable open-source project and community? What lessons can be learned from Python's history and the current mess that the WordPress community is going through? This week on the show, we speak with Paul Everitt from JetBrains . ...

In this quiz, you'll test your understanding of Python namespaces and variable scope. These concepts are crucial for organizing the symbolic names assigned to objects in a Python program and ensuring they don't interfere with one another.

In this tutorial, you'll learn how to write dictionary comprehensions in Python. You'll also explore the most common use cases for dictionary comprehensions and learn about some bad practices that you should avoid when using them in your code.

In this quiz, you'll test your understanding of Python's built-in functions for user interaction, namely input() and print(). These functions allow you to capture user input from the keyboard and display output to the console, respectively.

In this quiz, you'll test your understanding of Python dictionary comprehensions. Dictionary comprehensions are a concise and quick way to create, transform, and filter dictionaries in Python, and can significantly enhance your code's conciseness and ...

In this video course, you'll learn how to use Python format specifiers within an f-string to allow you to neatly format a float to your required precision.

This month, Python continues to shine as one of the top languages on GitHub. Python 3.13 was just released, bringing improvements and compatibility updates. Plus, the Python Developer Survey 2024 is now open, and PyCon US 2025 has launched its call . ...

Have you wanted the flexibility of f-strings but need safety checks in place? What if you could have deferred evaluation for logging or avoiding injection attacks? Christopher Trudeau is back on the show this week, bringing another batch of PyCoder's ...