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: [-674, 218, -377, 200, -393, -23, 147, 541, 450, 26, -519, 967, -129]

[-670, 220, -380, 200, -390, -20, 150, 540, 450, 30, -520, 970, -130]