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: [-6, -18, 1, 1, 14, -47, -51, 100, 60, 24, 78, -80, 72, 41, 23]

SOLUTION: [-12.0, -8.5, 1.0, 7.5, -16.5, -49.0, 24.5, 80.0, 42.0, 51.0, -1.0, -4.0, 56.5, 32.0]

PROBLEM: [-56, 32, -54]

SOLUTION: [-12.0, -11.0]

PROBLEM: [-68, 18, 52]

SOLUTION:
[-25.0, 35.0]