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: [-288, 536, -34, 953, 602, 386, 596]

SOLUTION: [-290, 540, -30, 950, 600, 390, 600]

PROBLEM: [-140, 488, 527, 623, 126, -597, 249, -988, -389, 499, -404, 596, -394, -777]

SOLUTION: [-140, 490, 530, 620, 130, -600, 250, -990, -390, 500, -400, 600, -390, -780]

PROBLEM: [-672, -736, 950, -84, -724, 229, 23, 496, 189, -238, -254, -449, 398]

SOLUTION:
[-670, -740, 950, -80, -720, 230, 20, 500, 190, -240, -250, -450, 400]