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: [431, 621, 720, 325, 218, 891, -211, -995, 976]

[430, 620, 720, 320, 220, 890, -210, -1000, 980]