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: [147, -645, 331, -631, -568, 633, -327, 810, 478, 339, -798]

[150, -640, 330, -630, -570, 630, -330, 810, 480, 340, -800]