TASK 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.
PROBLEM: [688, 667, 260]

SOLUTION: [690, 670, 260]

PROBLEM: [125, 915, 259, -135, 13, 171]

SOLUTION: [120, 920, 260, -140, 10, 170]

PROBLEM: [-606, -541, 190, 133, 609, 491, 194, 416, 179, 126]

SOLUTION:
[-610, -540, 190, 130, 610, 490, 190, 420, 180, 130]