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: [-978, 277, -932, 948, 600, -273, -895, -792, 64, -346, -896, -616]

[-980, 280, -930, 950, 600, -270, -900, -790, 60, -350, -900, -620]