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: [186, 207, -131, -210, -138, 523, -855, 77, -897, 943, -101, -357]

[190, 210, -130, -210, -140, 520, -860, 80, -900, 940, -100, -360]