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: [638, 672, 893, -993, 57, 129, 636, -449, 91, 406]

[640, 670, 890, -990, 60, 130, 640, -450, 90, 410]