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: [240, 712, -81, -831, 858, 705, -792, 715, 456, -620, 697, 112, -135]

[240, 710, -80, -830, 860, 700, -790, 720, 460, -620, 700, 110, -140]