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: [303, -198, -63, -702, 636, -315, 733, -151, -571, -197, -182, 206, -583]

[300, -200, -60, -700, 640, -320, 730, -150, -570, -200, -180, 210, -580]