Finding Duplicates in an Array

MediumPython

Problem

Provide a solution for finding duplicates in an array of integers.

Given a list of integers, return each value that appears more than once, including each duplicate only once. Preserve the order in which values are first detected as duplicates. Return an empty list when no value is repeated.

Constraints

0 <= nums.length <= 1000
-10^9 <= nums[i] <= 10^9
Return each duplicated integer at most once

Function Signature

def find_duplicates(nums):

CodePython 3

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