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: [-830, -365, 118, -206, 895, -365, -35, 630, -438, -69, -705, -15, 515]

[-830, -360, 120, -210, 900, -360, -40, 630, -440, -70, -700, -20, 520]