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: [-891, -910, 536, 610, -391, 623, 766, -282, 99, -20]

[-890, -910, 540, 610, -390, 620, 770, -280, 100, -20]