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: [-76, -63, 15, 34, 34, 62, 23, -67, -17, 84, -47]

SOLUTION: [-69.5, -24.0, 24.5, 34.0, 48.0, 42.5, -22.0, -42.0, 33.5, 18.5]

PROBLEM: [14, 49, -88, 85, 79, 93, -16, 66, -35, 14, 40, 38, -9]

SOLUTION: [31.5, -19.5, -1.5, 82.0, 86.0, 38.5, 25.0, 15.5, -10.5, 27.0, 39.0, 14.5]

PROBLEM: [-40, 90, 50, -98, -61, 41, 23, 92, -82, 4, 53, 52, 33, -23, 33]

SOLUTION:
[25.0, 70.0, -24.0, -79.5, -10.0, 32.0, 57.5, 5.0, -39.0, 28.5, 52.5, 42.5, 5.0, 5.0]