TASK DEFINITION: In this task you are given a list of numbers and you need to find the average of each two consecutive values. The average of two numbers a and b is calculated as: (a + b) /2. The output should be a list of the averages of each two consecutive values. A list is presented with two brackets and comma-separated values, like: [1,2,3].
PROBLEM: [-81, -5, -18, -96, 28, -86, 50, 63, 80, -52]

SOLUTION: [-43.0, -11.5, -57.0, -34.0, -29.0, -18.0, 56.5, 71.5, 14.0]

PROBLEM: [16, 96, -27, -13, -86, -98, -68, 27, 66, 95, -26, -34, -94]

SOLUTION: [56.0, 34.5, -20.0, -49.5, -92.0, -83.0, -20.5, 46.5, 80.5, 34.5, -30.0, -64.0]

PROBLEM: [18, -63, 84, 48, 53, -9, -88, 27, 39, 61, 17, -77, -66]

SOLUTION:
[-22.5, 10.5, 66.0, 50.5, 22.0, -48.5, -30.5, 33.0, 50.0, 39.0, -30.0, -71.5]