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Nested For Loops

Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated August 2025

Definition

Nested for loops are a way to repeat a set of instructions multiple times within another loop. It allows you to iterate over elements in a multi-dimensional data structure, such as a 2D array.

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