TASK 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.
PROBLEM: [389, -956, -994, -905, -49]

SOLUTION: [390, -960, -990, -900, -50]

PROBLEM: [722, -81, -488, 157, -988, -528, -888, 111, -558, 153, 100, -819, -581]

SOLUTION: [720, -80, -490, 160, -990, -530, -890, 110, -560, 150, 100, -820, -580]

PROBLEM: [-873, 529, -780, -668, 101, -865, -160, 245, 274, -977, 228, 736]

SOLUTION:
[-870, 530, -780, -670, 100, -860, -160, 240, 270, -980, 230, 740]