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: [466, -223, 407, -209, 364, 865, -514, -877, -912]

SOLUTION: [470, -220, 410, -210, 360, 860, -510, -880, -910]

PROBLEM: [350, -848, -680, -73, 727, 555, -493, 693, -743, -525, 218]

SOLUTION: [350, -850, -680, -70, 730, 560, -490, 690, -740, -520, 220]

PROBLEM: [278, -583, 533, -337, -702, 368, 839, 547, -405]

SOLUTION:
[280, -580, 530, -340, -700, 370, 840, 550, -400]