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: [709, -252, -71, -928, -798, 835, -280, -915, 568, 284, 641, 748, 395, -279]

[710, -250, -70, -930, -800, 840, -280, -920, 570, 280, 640, 750, 400, -280]