myRange = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]
//understanding map power is similar to forEach, but concise
//creating objects
const newRange = myRange.map((d) =>({num : d * 5, tuo : d * 50}));
//creating updated ranges
const newRange = myRange.map((d) =>d * 5);