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: [653, 348, -951, -809, -811, 748, 579, 273, 931, -354, 557, 679, 343, 120, 871]

[650, 350, -950, -810, -810, 750, 580, 270, 930, -350, 560, 680, 340, 120, 870]