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: [788, 621, 803, 341, 31, 204, 532, -122, -571, -265, -996, 436, 298, -879, -58]

[790, 620, 800, 340, 30, 200, 530, -120, -570, -260, -1000, 440, 300, -880, -60]