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: [-119, 508, 475, 770, -562, 530, -548, -585, 396, 92, -13, 510]

SOLUTION: [-120, 510, 480, 770, -560, 530, -550, -580, 400, 90, -10, 510]

PROBLEM: [397, 580, -463, -297, 399, -342, -159, -501, 418, 874, -210, 622, -906, 345, -467]

SOLUTION: [400, 580, -460, -300, 400, -340, -160, -500, 420, 870, -210, 620, -910, 340, -470]

PROBLEM: [184, 307, -743, 69, 333, -199, 552, 267, -112, 12, 418, -244]

SOLUTION:
[180, 310, -740, 70, 330, -200, 550, 270, -110, 10, 420, -240]