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: [321, 400, 478, 976, 84, -395, -294, -866, -655, 366, -685, 57, -26, -719]

[320, 400, 480, 980, 80, -400, -290, -870, -660, 370, -680, 60, -30, -720]