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: [947, -564, -465, -151, 126, -466, 283, -689, -664, 717, 534, 561, 563, 363, -155]

[950, -560, -460, -150, 130, -470, 280, -690, -660, 720, 530, 560, 560, 360, -160]