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: [-905, -255, 331, -387, 933, -215, -906, -994, 344, -506]

[-900, -260, 330, -390, 930, -220, -910, -990, 340, -510]