Definition: In this task you will be given a list of integers. You should round each integer to the nearest tens place. That means you should round the number to the nearest multiple of 10.
Input: [-17, -3, -960, -804, 244, -588, 717, -512, -996, 569, -87, 150, 524, -437, -714]

[-20, 0, -960, -800, 240, -590, 720, -510, -1000, 570, -90, 150, 520, -440, -710]