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: [903, 631, -846, 326, -644, 532, -772, 351, -52, -852, -644, 970, 714, -689, 886]

[900, 630, -850, 330, -640, 530, -770, 350, -50, -850, -640, 970, 710, -690, 890]