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: [-86, -208, 504, 664, 745, 388, -891, -579, 535, 801, -736, 615, 730]

[-90, -210, 500, 660, 740, 390, -890, -580, 540, 800, -740, 620, 730]