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: [231, -993, -16, -619, 577, -784, 735, 291, 121, -815]

[230, -990, -20, -620, 580, -780, 740, 290, 120, -820]