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.
Input: [212, -915, 418, 253, 360, 572, 645, 906, -13, -476, 799, 820, -647, -722]

[210, -920, 420, 250, 360, 570, 640, 910, -10, -480, 800, 820, -650, -720]