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: [-526, -665, 264, -161, 846, 410, -428, -834, 951, -886, 241, 557, -189, 152, -735]

[-530, -660, 260, -160, 850, 410, -430, -830, 950, -890, 240, 560, -190, 150, -740]