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: [677, -317, -856, -370, -362, -977, 684, 135, 477, -962, -864, 508, -272, -659]

[680, -320, -860, -370, -360, -980, 680, 140, 480, -960, -860, 510, -270, -660]