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In programming, a variable is a symbolic name or identifier that represents a value stored in the computer's memory. A variable is a way to temporarily store data that can be used in calculations or operations within a program.

When a variable is declared in a program, it is given a name and a data type, such as integer, floating-point, or string. The name of the variable is used to reference the data stored in memory.

Variables can be assigned values at runtime, and these values can be changed as the program executes. For example, a variable representing the current time might be updated with the current time every second.

In addition to storing simple data types, variables can also be used to store more complex data structures, such as arrays, lists, and objects.

Variables are an essential part of programming, as they allow programmers to create dynamic programs that can respond to changing data and user input.

In programming, a variable is a named storage location in memory that holds a value. Variables are used to store data that can be manipulated and used by a program during runtime.

In most programming languages, variables are declared with a specific data type, which defines the type of value that can be stored in the variable. For example, integer variables can only hold whole numbers, while string variables can hold text.

Variables are assigned a value using an assignment statement, and their value can be changed at any time during the execution of a program. The value of a variable can be used in calculations, comparisons, and other operations.

Variables can be used to make programs more flexible and reusable, as they allow values to be passed between different parts of a program or even between different programs. Additionally, variables can be used to make programs more efficient, as they can be used to avoid repeating the same calculations or operations multiple times.