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: [-68, 22, -96, 77, 86, -19, 90, 65, -47, -15, 8, 17, -64, -18, 64]

SOLUTION: [-23.0, -37.0, -9.5, 81.5, 33.5, 35.5, 77.5, 9.0, -31.0, -3.5, 12.5, -23.5, -41.0, 23.0]

PROBLEM: [92, 10, 59, -82]

SOLUTION: [51.0, 34.5, -11.5]

PROBLEM: [83, -76, -53, 93, 66, 5, 83, -31, 95]

SOLUTION:
[3.5, -64.5, 20.0, 79.5, 35.5, 44.0, 26.0, 32.0]