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: [-525, 317, 884, -163, -276, 321, -264, -598, 723, -954, -355, 35, 866, -10, -49]

[-520, 320, 880, -160, -280, 320, -260, -600, 720, -950, -360, 40, 870, -10, -50]