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: [305, -121, 753, -11, 769, 106, 146, 393, -963, -17]

[300, -120, 750, -10, 770, 110, 150, 390, -960, -20]