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: [-364, -619, 486, -696, 944, 919, -781, -680, -147, 26, 275, 951, 609, 134, 405]

[-360, -620, 490, -700, 940, 920, -780, -680, -150, 30, 280, 950, 610, 130, 400]