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: [-770, 126, -103, -135, -127, 839, 426, 114, 614, -125, -941, 828, -959, 344]
Output:
[-770, 130, -100, -140, -130, 840, 430, 110, 610, -120, -940, 830, -960, 340]