function average average(nums: number[]): number Returns the average number from a list of numbers. Examples Example 1 average([1]); // 1 average([2, 3]); // 2.5 average([4, 5, 6]); // 5 average([11, 21, 112]); 48 With a list of objects const people = [{ age: 20 }, { age: 18 }, { age: 19 }]; const averageAge = average(people.map(({ age }) => age)); console.log(averageAge); // 19 Parameters nums: number[] Return Type number