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: [-97, 997, -164, -978, 126, 163, 322, -261, -491, 399, -599, -258, -866, -447]

[-100, 1000, -160, -980, 130, 160, 320, -260, -490, 400, -600, -260, -870, -450]