Build Your Own Types: Classes Explained Simply

You have been using types this whole time. Strings. Integers. Lists. Dictionaries. Every one of those is a type. And they don't just hold data. They also come with built-in behaviors. Strings have .upper() . Lists have .append() . Dictionaries have .get() . Now here is the question. What if the type you need doesn't exist yet? What if you want a Student type that holds a name, age, and scores, and also knows how to calculate its own average? That is exactly what classes let you build. The Cookie