+**Immutability** is the property where an object or [data](/wiki/data) cannot be altered after its creation. Once defined, its [state](/wiki/state) is fixed and unchanging, ensuring predictability and consistency across operations. This steadfast nature simplifies complex systems, making them easier to reason about and manage.
+## See also
+- [Pure Function](/wiki/pure_function)
+- [Side Effect](/wiki/side_effect)
+- [Functional Programming](/wiki/functional_programming)
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