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

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