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: [120, -822, 470, 132, 644, -540, 10, 579, -809, -433, -902, 347, 778, -769]

[120, -820, 470, 130, 640, -540, 10, 580, -810, -430, -900, 350, 780, -770]