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: [539, -520, 594, 611, 779, -890, -722, 241, -807, 759, -908, 386]

[540, -520, 590, 610, 780, -890, -720, 240, -810, 760, -910, 390]