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: [270, 774, 867, -255, -908, -510, -609, 869, -144, 343, 332, 489, 627, 529]

[270, 770, 870, -260, -910, -510, -610, 870, -140, 340, 330, 490, 630, 530]