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: [901, 754, 958, -630, 825, -451, -89, -809, 545, 836, 356, 454, 243, -488]

[900, 750, 960, -630, 820, -450, -90, -810, 540, 840, 360, 450, 240, -490]