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: [377, -239, 19, -850, -841, 214, -532, 701, 819, -11, 97, -783, -813, 882, 857]

[380, -240, 20, -850, -840, 210, -530, 700, 820, -10, 100, -780, -810, 880, 860]