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: [-84, -65, 93, -88, -73, -65, -68, 66, -9, -98, 96]

SOLUTION: [-74.5, 14.0, 2.5, -80.5, -69.0, -66.5, -1.0, 28.5, -53.5, -1.0]

PROBLEM: [-79, 58]

SOLUTION: [-10.5]

PROBLEM: [-90, 32, -56, 92, -73, -3, 24, -90, -95, -99, 24, 81]

SOLUTION:
[-29.0, -12.0, 18.0, 9.5, -38.0, 10.5, -33.0, -92.5, -97.0, -37.5, 52.5]