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: [897, 549, 450, 434, 923, -368, -657, -971, 381, -237, 364, -807]

[900, 550, 450, 430, 920, -370, -660, -970, 380, -240, 360, -810]