Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
A duplicates function is a programming function that checks for and identifies duplicate elements within a given list or array.
Related terms
Unique Function: A unique function is the opposite of a duplicates function. It checks for and identifies elements in a list or array that do not have any duplicates.
Frequency Function: A frequency function counts how many times each element appears in a list or array.
Set Data Structure: In computer science, a set data structure is used to store unique elements without any duplicates.