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: [-48, -86, 13, 21, 39, -52, 70, 6, 66, 58, -3, 88, -64]

SOLUTION: [-67.0, -36.5, 17.0, 30.0, -6.5, 9.0, 38.0, 36.0, 62.0, 27.5, 42.5, 12.0]

PROBLEM: [-96, 58, -84, -38, 62, 47, 77, -64, 97, 42, 55, 83, -69]

SOLUTION: [-19.0, -13.0, -61.0, 12.0, 54.5, 62.0, 6.5, 16.5, 69.5, 48.5, 69.0, 7.0]

PROBLEM: [94, -100, -23]

SOLUTION:
[-3.0, -61.5]