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: [-594, -527, -726, 426, -881, -643, -243, -532, -909, 812, -202, -360, -126, -809, 671]

[-590, -530, -730, 430, -880, -640, -240, -530, -910, 810, -200, -360, -130, -810, 670]