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: [-172, 806, -939, 603, -674, 428, 234, 783, 829, -253, 806, 293, 237]

[-170, 810, -940, 600, -670, 430, 230, 780, 830, -250, 810, 290, 240]