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: [206, 454, -366, 109, -195, 964, 803, 119, -286, 672, 639, -523, -354]

SOLUTION: [210, 450, -370, 110, -200, 960, 800, 120, -290, 670, 640, -520, -350]

PROBLEM: [613, 195, -134, 908, 452, 415, 897, -455, 206, -620, 850, -879, -413]

SOLUTION: [610, 200, -130, 910, 450, 420, 900, -460, 210, -620, 850, -880, -410]

PROBLEM: [-518, 529, 334]

SOLUTION:
[-520, 530, 330]