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: [-458, 206, -77, 449, -271, 239, -408, 391, -790, -371, 502, -626, -69, 287, -122]
Output:
[-460, 210, -80, 450, -270, 240, -410, 390, -790, -370, 500, -630, -70, 290, -120]