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: [9, 43, 32, 49, 89, -91, -51, -62, 48, -80, -25, -35, 27, -12]

SOLUTION: [26.0, 37.5, 40.5, 69.0, -1.0, -71.0, -56.5, -7.0, -16.0, -52.5, -30.0, -4.0, 7.5]

PROBLEM: [-34, 7, -83, 25, -31, 7]

SOLUTION: [-13.5, -38.0, -29.0, -3.0, -12.0]

PROBLEM: [-45, 55, -62, 97, -58, 97, -58, 26, -79, 72, 54, 86, -18, -98, 87]

SOLUTION:
[5.0, -3.5, 17.5, 19.5, 19.5, 19.5, -16.0, -26.5, -3.5, 63.0, 70.0, 34.0, -58.0, -5.5]