Post by w3schools.com

When you're solving a quick problem on your own, single‑letter variables feel convenient, short, quick to type, and you know exactly what they mean in the moment. But the fact is that it gets read way more than it gets written, and the person reading it might be you few months or years from now, or a teammate who's seeing it for the first time. A variable name is the simplest form of documentation, when you name something userCount instead of x, you're telling the next person exactly what that value represents. Good variable names don't just make code readable, they make it maintainable, they reduce the mental effort required to understand what's happening, and they stay accurate long after comments have been forgotten. You would say why do we emphasize on good and readable variable names that is because naming things well is one of the most underrated skills in programming. Dont worry, it's a habit you can build, instead of d, use daysSinceLastLogin, instead of temp, use rawUserInput, it takes a few extra secs now and saves a lot of confusion later, this is because code is written once, but read many times. #w3schools #CleanCode #CodeQuality #ProgrammingTips #SoftwareEngineering #CodingBestPractices