Think Python –– 15.1 User-defined types - Allen Downey
A user-defined type is also called a class. A class definition looks like this: class Point(object): """Representing a point in 2-D space.""" This header indicates that the new class is a Point, which is a kind of object, which is a built-in type. The body is a docstring that explains what the class is for. You can define variables and functions inside a class definition.
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