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: [-770, 593, -333, 835, 921, -202, -54, 872, 441, -32, 865, 483]

[-770, 590, -330, 840, 920, -200, -50, 870, 440, -30, 860, 480]