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: [790, -293, 921, 555, 675, 448, 604, -33, 78, 155, 318, 556, 903]

[790, -290, 920, 560, 680, 450, 600, -30, 80, 160, 320, 560, 900]