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: [359, -263, -457, -172, 100, 784, -441, 524, -609, -139, -646, 74, -514, 704]

[360, -260, -460, -170, 100, 780, -440, 520, -610, -140, -650, 70, -510, 700]