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: [291, -965, 869, -434, -206, -85, 768, -607, -129, 726, -648, -456, 627, 284, 962]

[290, -960, 870, -430, -210, -80, 770, -610, -130, 730, -650, -460, 630, 280, 960]