Contains Duplicate - LeetCode 217 - Python Problem #2

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.
Code: github.com/abhishekmshr956/Le...
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0:00 Problem statement
1:10 O(n^2) brute force solution
4:38 O(nlogn) solution using sorting
9:41 O(n) hash set

[@skandkumar9756]

Sir what is your profession?

[@AbhishekMishraiitkgp]

Postdoctoral Scientist