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: [876, 800, -223, -243, -802, 321, 513, 801, -898, -792, 764, 473, -415]

[880, 800, -220, -240, -800, 320, 510, 800, -900, -790, 760, 470, -420]