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: [247, -807, -811, 347, -107, -252, 428, 551, 895, -13, -505, 211]

[250, -810, -810, 350, -110, -250, 430, 550, 900, -10, -500, 210]