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: [904, -487, 499, -840, -163, -448, 643, -85, 813, 229, -721, -8, -208, 187]

[900, -490, 500, -840, -160, -450, 640, -80, 810, 230, -720, -10, -210, 190]