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: [-591, -283, -918, 849, -734, 40, 693, 503, 286, -387, -55, -242, 266]

[-590, -280, -920, 850, -730, 40, 690, 500, 290, -390, -60, -240, 270]