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: [419, 521, -759, 355, 221, -693, -217, -334, 718, 902, -674, 513, 228, -24, 588]

[420, 520, -760, 360, 220, -690, -220, -330, 720, 900, -670, 510, 230, -20, 590]