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: [-766, 155, 238, 202, -618, -182, 312, -997, -259, 664, 255, 174, 303]

[-770, 160, 240, 200, -620, -180, 310, -1000, -260, 660, 260, 170, 300]