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: [250, -769, -567, -696, 434, 631, 884, -855, 856, -740, -145, 153, 412, -878]

[250, -770, -570, -700, 430, 630, 880, -860, 860, -740, -140, 150, 410, -880]