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: [946, -671, -15, -190, 633, 379, -371, 550, 988, -791, -158, -537]

[950, -670, -20, -190, 630, 380, -370, 550, 990, -790, -160, -540]