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, -54, 55]

SOLUTION: [-61.0, 0.5]

PROBLEM: [-79, 58]

SOLUTION: [-10.5]

PROBLEM: [23, -66, 80, -14, 65, -99, 32, -2]

SOLUTION:
[-21.5, 7.0, 33.0, 25.5, -17.0, -33.5, 15.0]