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: [813, -538, 841, 221, -262, -271, -770, 606, -552, -843, 848]

[810, -540, 840, 220, -260, -270, -770, 610, -550, -840, 850]