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: [301, -82, -602, 969, -560, 702, 90, -256, 77, -122, -837, -248]

[300, -80, -600, 970, -560, 700, 90, -260, 80, -120, -840, -250]