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: [489, 278, -385, 195, -165, -758, -708, 430, -692, 786, -612, 894, -498, 987]

[490, 280, -380, 200, -160, -760, -710, 430, -690, 790, -610, 890, -500, 990]