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: [451, 487, 970, 250, 68, -374, -463, 666, 238, -762, -348, -338, -11, 214]

[450, 490, 970, 250, 70, -370, -460, 670, 240, -760, -350, -340, -10, 210]