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: [-166, -782, 906, 277, -721, 529, 971, -168, 999, 286]

[-170, -780, 910, 280, -720, 530, 970, -170, 1000, 290]