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: [458, 909, 24, 199, 531, 533, 731, -873, 960, -18, -673]

[460, 910, 20, 200, 530, 530, 730, -870, 960, -20, -670]