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Chapter 13. Arrays > What Is an Array and How Does It Work?

What Is an Array and How Does It Work?

Back in Chapter 9, “Strings, Numbers, and Variables—In Depth,” we discussed different data types, including variables. Variables can hold one piece of data or another data type, including another variable. Like variables, arrays can hold any type of data, including strings, integers, and Booleans. They can also hold other data types, including variables and other arrays (called nested arrays), which we will discuss later in this chapter.

In this chapter, we go over what an array is, how to create one, and how to retrieve, manipulate, and delete data from arrays with an applied example at the end.


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