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: [-778, -429, 794, -374, -645, -905, 267, -593, -581, 734]

[-780, -430, 790, -370, -640, -900, 270, -590, -580, 730]