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: [-64, -247, -277, 642, -848, -244, -137, 806, -763, 903, 551, 958, -530, -467, -824]

[-60, -250, -280, 640, -850, -240, -140, 810, -760, 900, 550, 960, -530, -470, -820]