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Contains Duplicate - Leetcode 217 - Python

Contains Duplicate - Leetcode 217 - Python

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Leetcode 217. Contains Duplicate Python

Leetcode 217. Contains Duplicate Python

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Leetcode 217

Contains Duplicate | LeetCode 217 | Theory + Python code

Contains Duplicate | LeetCode 217 | Theory + Python code

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Last Updated: June 9, 2026

About of Leetcode Python Solutions 217 Contains Duplicate Python Coding Datastructures Leetcode

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. Super helpful resources: It is very important to learn about the utility functions and We'll explore two approaches to solve this simple problem One-liner using set() – quick and simple. Optimized early-exit If you found this helpful, my channel for even **MORE VIDEOS**!

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