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: [226, -705, 910, 828, -486, 418, 641, 58, -417, 492, 640, 177, 186, -180, 95]

SOLUTION: [230, -700, 910, 830, -490, 420, 640, 60, -420, 490, 640, 180, 190, -180, 100]

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: [-667, -282, 480]

SOLUTION:
[-670, -280, 480]