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: [-951, -156, -355, -317, -532, 369, -136, -479, 780, -864]

[-950, -160, -360, -320, -530, 370, -140, -480, 780, -860]