let firstLargestNum = 0;
let secondLargestNum = 0;
for (let i = 0; i < nums.length; i++) {
if (nums[i] > firstLargestNum) {
secondLargestNum = firstLargestNum;
firstLargestNum = nums[i];
}
if (nums[i] > secondLargestNum && nums[i] < firstLargestNum) {
secondLargestNum = nums[i];
}
}
return secondLargestNum;