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Q -https://leetcode.com/explore/interview/card/top-interview-questions-easy/92/array/578/

== Solution ===
/**
 * @param {number[]} nums
 * @return {boolean}
 */
var containsDuplicate = function(nums) {
    
  if(nums.length <=0) return false;
  
  var index="";
  for (var i = 0; i <= nums.length - 1; i++) {
      index=nums[i];
      for(var j=i+1; j<=nums.length-1; j++){
        if(index===nums[j]){
          console.log("TRUE")
          return true;
          
        }
      }
  }
  return false;
};