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: [-955, -320, 500, 857, 533, 636, 686, 631, -558]

SOLUTION: [-960, -320, 500, 860, 530, 640, 690, 630, -560]

PROBLEM: [940, 777, -633, -607, 205, -132, 330, 318, 620]

SOLUTION: [940, 780, -630, -610, 200, -130, 330, 320, 620]

PROBLEM: [-121, 90, 898]

SOLUTION:
[-120, 90, 900]