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: [-665, -830, -394]

SOLUTION: [-660, -830, -390]

PROBLEM: [873, 401, 189, -964, -446, -337, -77, 581, 293, 317, 289]

SOLUTION: [870, 400, 190, -960, -450, -340, -80, 580, 290, 320, 290]

PROBLEM: [448, 771, -978, 154, 931, 904, 250, 976]

SOLUTION:
[450, 770, -980, 150, 930, 900, 250, 980]