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: [45, -516, 869, -233, -128, 548, 679, -186, -391, 174, 138, -478, -397]

[40, -520, 870, -230, -130, 550, 680, -190, -390, 170, 140, -480, -400]