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: [588, 904, -207, 667, 508, 527, 694, -999, -858, -394, -106, 56, -715, 219, -642]

[590, 900, -210, 670, 510, 530, 690, -1000, -860, -390, -110, 60, -720, 220, -640]