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: [816, 306, 46, 730, -147, -97, 168, 95, 959, -796, -629, -868]

[820, 310, 50, 730, -150, -100, 170, 100, 960, -800, -630, -870]