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: [883, 532, -432, 174, 315, 358, 393, 365, 602, -20]

[880, 530, -430, 170, 320, 360, 390, 360, 600, -20]