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: [-392, 781, 901, -754, 590, 416, -838, -890, -640, 76]

[-390, 780, 900, -750, 590, 420, -840, -890, -640, 80]