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: [54, 460, 500, 661, -657, 212, -278, -893, -122, 86, -77, 174, -915, -827]

[50, 460, 500, 660, -660, 210, -280, -890, -120, 90, -80, 170, -920, -830]