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: [-540, -66, -458, -642, 542, 125, 577, 777, 13, -726]

[-540, -70, -460, -640, 540, 120, 580, 780, 10, -730]