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: [652, 648, 438, 981, 317, -669, 979, 476, -608, -927, 305, 756, -418, -12, 157]

[650, 650, 440, 980, 320, -670, 980, 480, -610, -930, 300, 760, -420, -10, 160]