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: [455, -988, -979, -140, -837, 819, -823, 631, 87, 641]

[460, -990, -980, -140, -840, 820, -820, 630, 90, 640]