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: [248, -816, -613, -537, 398, -307, 610, -173, -931, 335, -822, -817, -287, -781]

[250, -820, -610, -540, 400, -310, 610, -170, -930, 340, -820, -820, -290, -780]