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: [454, 326, -118, 359, 351, -911, 489, -710, -228, -274, -26, 46, -650, -933, 308]

[450, 330, -120, 360, 350, -910, 490, -710, -230, -270, -30, 50, -650, -930, 310]