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: [-495, 493, -434, -980, -268, -910, 442, 65, -169, 61, -878, 150, 239]

[-500, 490, -430, -980, -270, -910, 440, 60, -170, 60, -880, 150, 240]