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: [235, -533, 883, 693, -813, 975, 206, 526, -793, 285, -496, 259, 786]

[240, -530, 880, 690, -810, 980, 210, 530, -790, 280, -500, 260, 790]