8VARIABLES
Variables are one of the most important concepts for beginning programmers to understand, so this chapter explores these features in detail. Technically speaking, a variable is a reserved memory location used to store values. It’s a reference, or pointer, to an object in memory, but it’s not the object itself. Variables let you access and manipulate each object’s associated metadata (attributes) and functionality (methods).
In the previous chapter, you learned how to assign variables. In this chapter, you’ll learn more about assignment statements, discover how to name variables clearly, use a built-in function to get a user’s input, ...
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