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: [317, -636, -622, 734, -810, -242, -741, 771, -391, 873, 579, 103, -137]

[320, -640, -620, 730, -810, -240, -740, 770, -390, 870, 580, 100, -140]