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: [-778, -715, -982, 980, -803, 996, -947, -61, 235, -553, 486, -924, 778, 861]

[-780, -720, -980, 980, -800, 1000, -950, -60, 240, -550, 490, -920, 780, 860]