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: [210, -208, 328, -15, 383, 83, 757, 335, 775, -765]

[210, -210, 330, -20, 380, 80, 760, 340, 780, -760]