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: [623, 747, 58, 321, 10, 209, -919, 249, -574, 27, -602, 678, -411, 892, -981]

[620, 750, 60, 320, 10, 210, -920, 250, -570, 30, -600, 680, -410, 890, -980]