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: [-290, 357, -973, -303, -111, 284, -362, -267, -563, -927, 430, 674, 26, -668]

[-290, 360, -970, -300, -110, 280, -360, -270, -560, -930, 430, 670, 30, -670]