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: [-966, 748, 826, 389, 148, -910, 222, 672, 857, -405, -469, -294, -619, 253]

[-970, 750, 830, 390, 150, -910, 220, 670, 860, -400, -470, -290, -620, 250]