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: [335, -412, -449, -355, -504, 921, 426, 894, -806, -177, -672]

[340, -410, -450, -360, -500, 920, 430, 890, -810, -180, -670]