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: [18, 480, 948, -853, -158, 8, 323, -784, -495, 444, 121, -903, 42]

[20, 480, 950, -850, -160, 10, 320, -780, -500, 440, 120, -900, 40]