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: [965, -632, -76, 686, -349, -878, -486, 439, -825, 547, -12, 811, 423]

[960, -630, -80, 690, -350, -880, -490, 440, -820, 550, -10, 810, 420]