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: [703, -724, -740, -938, -488, -154, 661, 478, 534, -671, -134, 890, 761, 555, 644]

[700, -720, -740, -940, -490, -150, 660, 480, 530, -670, -130, 890, 760, 560, 640]