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: [-520, 633, -753, 365, 355, -949, 737, -602, 354, 915, 834]

[-520, 630, -750, 360, 360, -950, 740, -600, 350, 920, 830]