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.
1 <= nums.length <= 10^5-10^9 <= nums[i] <= 10^9nums = [1,2,3,1]truenums = [1,2,3,4]falsenums = [1,1,1,3,3,4,3,2,4,2]true