# Iterations

**Iteration (noun):** The repetition of process

**To Iterate (verb):** To repeat a process

_**Iteration**_ is the act of repeating a mathematical or computational process. Each repeated step in iteration is also called an iteration.&#x20;

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Therefore the sentence: ‘the result from the previous iteration will be used for the current iteration’ is a valid sentence.
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### Type of Iterations

* While Loops
* For Loop
* [For-Each Loop (Studied in the Collection Unit)](collection/for-each-loop)
