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: [298, -49, -673, 591, 512, 513, 922, 409, -359, -829, 671, -262]

[300, -50, -670, 590, 510, 510, 920, 410, -360, -830, 670, -260]