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: [504, 937, 586, -847, -389, 387, -790, -490, -253, 76]

[500, 940, 590, -850, -390, 390, -790, -490, -250, 80]