Pint is a Python package to define, operate and manipulate physical quantities: the product of a numerical value and a unit of measurement. It allows arithmetic operations between them and conversions from and to different units. (more…)

Once you learn about for loops in Python, you know that using an index to access items in a sequence isn't very Pythonic. So what do you do when you need that index value? In this tutorial, you'll learn all about Python's built-in enumerate(), where it's ... (more…)

Learn how to change CPython internals to accept new syntax and features. This post adds a Ruby feature to Python. (more…)

Subscriptions are the lifeblood of LWN.net. If you appreciate this content and would like to see more of it, your subscription will help to ensure that LWN continues to thrive. Please visit this page to join up and keep LWN on ... (more…)

This post introduces the reader to Python maps, implemented by the built-in map() function of Python.Map is a powerful function that not only gives us new ways to transform data, but also aids us in... (more…)