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Data Types

Variables can hold various types of information. These various types of informa tion are known as data types. Data types can be changed very easily, but it is always good practice to keep them constant so that you can keep track of results better and dismiss any unexpected results. Table 11.1 lists and describes the data types a variable can hold.

NOTE

Within a Boolean data type, you can also use a value of 1 for true and a value of 0 for false.



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