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: [-150, -806, 897, -704, 972, -554, 57, -471, -609, -706, -137, -136, -558, -6]

[-150, -810, 900, -700, 970, -550, 60, -470, -610, -710, -140, -140, -560, -10]