Python 3 Object-Oriented Programming - Third Edition

Behaviors are actions

Now that we know what data is, the last undefined term is behaviors. Behaviors are actions that can occur on an object. The behaviors that can be performed on a specific class of object are called methods. At the programming level, methods are like functions in structured programming, but they magically have access to all the data associated with this object. Like functions, methods can also accept parameters and return values.

A method's parameters are provided to it as a list of objects that need to be passed into that method. The actual object instances that are passed into a method during a specific invocation are usually referred to as arguments. These objects are used by the method to perform whatever behavior ...