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: [1000, 922, 385, 525, -474, -549, -564, 707, 337, 906, -325, 731, -400, 771, -584]

[1000, 920, 380, 520, -470, -550, -560, 710, 340, 910, -320, 730, -400, 770, -580]