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: [308, 48, 406, 234, 304, -14, 919, 529, -328, 309, 547, 60]

[310, 50, 410, 230, 300, -10, 920, 530, -330, 310, 550, 60]