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: [668, -463, -428, -47, 951, 619, -114, 870, -35, 392, -739]

[670, -460, -430, -50, 950, 620, -110, 870, -40, 390, -740]