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: [951, -52, -320, -511, -755, 715, -165, 843, -726, -673, 602, 306, 481, -209]

[950, -50, -320, -510, -760, 720, -160, 840, -730, -670, 600, 310, 480, -210]