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: [749, 626, -802, 318, 418, 763, -226, 485, 694, -185, -472, 821]

[750, 630, -800, 320, 420, 760, -230, 480, 690, -180, -470, 820]