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: [768, -240, 47, -967, -152, 904, 485, 680, 98, -366, -321, 287, 177, -445, -278]

[770, -240, 50, -970, -150, 900, 480, 680, 100, -370, -320, 290, 180, -440, -280]