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: [808, 664, -792, 560, 640, 511, -431, -987, -388, 341]

[810, 660, -790, 560, 640, 510, -430, -990, -390, 340]