In a program data is handled using an identifier. In programming there are many types of identifiers which are commonly constants and variables.

Defining and declaring consonants and variables

In order to create an identifier you would usually put two things, the data type and the name.

Almost all programming language support data types which defined what kind of data is to be placed in the identifier.

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Managing variables

Many programming languages have a way of managing variables. One way programs manage variables is trough scopes and making variables global and local.

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