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: [83, 854, -220, -767, -378, -298, -995, -548, -970, -673, 604, -959, -540, 470, 449]
Output:
[80, 850, -220, -770, -380, -300, -1000, -550, -970, -670, 600, -960, -540, 470, 450]