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: [-377, 391, -610, 120, -42, 438, -826, 78, -135, -883, 586]

[-380, 390, -610, 120, -40, 440, -830, 80, -140, -880, 590]