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: [-776, -136, 26, -429, -785, 891, 749, 261, -527, 788]

[-780, -140, 30, -430, -780, 890, 750, 260, -530, 790]