Programming Concepts

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Expression

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A combination of operators and values that evaluates to a single value.

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Variable

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An abstraction inside the program that can hold a value. Each variable has associated data storage that represents one value at a time.

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Assignment operator

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Allows a program to change the value represented by a variable.

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Increment

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Add one to a number.

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Variable Type

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The kind of values that the variable can have and the operations that can be performed on it. In Snap! a variable can be either a number or a character string.