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: [919, -508, 940, -387, -688, -327, 389, -731, -645, 526]

[920, -510, 940, -390, -690, -330, 390, -730, -640, 530]