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: [-14, -93, 6, -75, 34, 96, 8, -65, -91]

SOLUTION: [-53.5, -43.5, -34.5, -20.5, 65.0, 52.0, -28.5, -78.0]

PROBLEM: [68, -66]

SOLUTION: [1.0]

PROBLEM: [79, 5, -21, -5, 31, -13, -90]

SOLUTION:
[42.0, -8.0, -13.0, 13.0, 9.0, -51.5]