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: [-137, -599, 264, 264, 695, -954, 415, 167, -880, 6, 313, -862, 478, -556]

[-140, -600, 260, 260, 700, -950, 420, 170, -880, 10, 310, -860, 480, -560]