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: [-898, 829, 258, -57, -79, -600, -165, -698, 244, -454, 340, 61]

[-900, 830, 260, -60, -80, -600, -160, -700, 240, -450, 340, 60]