217. Contains Duplicate | Python | MANG Question | Leetcode | English | code io

217. Contains Duplicate
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In This video I have discussed a Naive approach to solve the problem and also have explained the Optimised approach and I have coded the solution in Python
GitHub link - Solution (Python, Java and C++)
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217. Contains Duplicate
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.
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