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: [780, -539, 638, -232, 21, 930, 533, 179, -828, 814, -44, 40, -596]

[780, -540, 640, -230, 20, 930, 530, 180, -830, 810, -40, 40, -600]