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Given an integer array nums, return true if any value appears at least twice in the array, and return false if every element is distinct. New spin-off series for Data Structures and Algorithm. Let's look at [ Easy and Beginner Friendly Explanation with 3 approaches and Time and Space Complexity Analysis! ⚡ Related Resources ...
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LeetCode 217. Contains Duplicate: Python 2 simple solutions
Contains Duplicate - Leetcode 217 - Python
Contains Duplicate - Python Solution [Leetcode 217]
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Last Updated: June 2, 2026
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