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: [-809, 723, -877, 65, 704, 108, -170, -972, -766, 369, 367, 612, 797, 780, 705]

[-810, 720, -880, 60, 700, 110, -170, -970, -770, 370, 370, 610, 800, 780, 700]