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: [809, 636, 867, 70, 756, 230, -260, -542, -454, 751, 448]

[810, 640, 870, 70, 760, 230, -260, -540, -450, 750, 450]