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: [-423, -628, 261, 841, -197, 834, -355, -814, -136, 313, -200, 857, -120, 888, -586]

[-420, -630, 260, 840, -200, 830, -360, -810, -140, 310, -200, 860, -120, 890, -590]