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: [40, -52, -278, -448, 590, -475, -156, -261, 212, 290, 452, -396, -759, 364]

[40, -50, -280, -450, 590, -480, -160, -260, 210, 290, 450, -400, -760, 360]