Python List Comprehensions: From Loops to One-Liners 🎁 Free: AI Publishing Checklist — 7 steps in Python · Full pipeline: germy5.gumroad.com/l/xhxkzz (pay what you want, min $9.99) You've written this a hundred times: squares = [] for x in range ( 10 ): squares . append ( x ** 2 ) Enter fullscreen mode Exit fullscreen mode There's nothing wrong with it — but Python gives you a shorter, faster, and more readable way to express the same idea. By the end of this article you'll be writing that as: squares = [ x ** 2 for x in range ( 10 )] Enter fullscreen mode Exit fullscreen mode Let's build up from zero. The Basic Syntax The structure of a list comprehension is: [ expression for item in iterable ] Enter fullscreen mode Exit fullscreen mode Read it left to right: "give me expression , for each item in iterable ." Before: names = [ " alice " , " bob " , " carol " ] upper = [] for name in names : upper . append ( name .…