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: [-248, -637, -344, 788, 109, -984, -38, -342, -807, -599, 291]

[-250, -640, -340, 790, 110, -980, -40, -340, -810, -600, 290]