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: [-400, 68, 544, -841, -962, -743, 183, -927, -300, 897, 376, -33, 298, -632, -89]

[-400, 70, 540, -840, -960, -740, 180, -930, -300, 900, 380, -30, 300, -630, -90]