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: [-102, 759, 374, 22, -606, -470, -291, -531, 844, -621]

[-100, 760, 370, 20, -610, -470, -290, -530, 840, -620]