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: [329, 733, -649, 482, -981, 674, -744, 935, -638, -308, 863, -672]

[330, 730, -650, 480, -980, 670, -740, 940, -640, -310, 860, -670]