In This Chapter

  • Defining variables
  • The concept of variable types
  • How to create a variable
  • The value of variables

Back in Chapter 3, I very briefly introduced the concept of a variable with input_var. In this chapter, I take you deeper into variables, including what they are, how to create them, and how to find their values and types.

Variables Defined

Put most simply, a variable is a little computer storage bin in your program that has a name. You can think of a variable as a folder in the filing cabinet that is your program. Each variable has its own folder, and the content of that folder is the value of the variable.

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