Libraries are collections of shared code. They're common in Python, where they're also called "modules," but they're also ...

This article is adapted from an edition of our Off the Charts newsletter originally published in October 2021. Off the Charts is a weekly, subscriber-only guide to The Economist’s award-winning data ...

Joel Gratcyk's son Wesley spends a few hours a week learning to code in Python, PHP, and Swift. Wesley started taking free courses when he was 7 and uses both online and library resources. Gratcyk ...