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: [-618, 88, -651, -474, 319, 858, -641, -643, 355]

SOLUTION: [-620, 90, -650, -470, 320, 860, -640, -640, 360]

PROBLEM: [-337, -489, -16, 662, 863, 490, 250, 944, 956, -838]

SOLUTION: [-340, -490, -20, 660, 860, 490, 250, 940, 960, -840]

PROBLEM: [-868, -126, -227, -125, 283, -331, -50, -860, -236, -367, 451]

SOLUTION:
[-870, -130, -230, -120, 280, -330, -50, -860, -240, -370, 450]