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: [229, 136, 682, -289, -405, 89, -924, -807, 294, -830, -304, 248]

[230, 140, 680, -290, -400, 90, -920, -810, 290, -830, -300, 250]