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: [678, -405, -407, -417, -269, -886, -700, -874, -256, 407, 942, 547, -818]

[680, -400, -410, -420, -270, -890, -700, -870, -260, 410, 940, 550, -820]