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: [142, 999, -499, 912, 787, -660, 527, 403, -996, -7, -715, -594, 271]

[140, 1000, -500, 910, 790, -660, 530, 400, -1000, -10, -720, -590, 270]