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: [-259, 899, 497, -459, -353, -980, -19, -743, 385, 734]

[-260, 900, 500, -460, -350, -980, -20, -740, 380, 730]