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: [-46, 9, 0, 37, 94, 80, -70, -34, 95, 52, 64, -39, 55, 11]

SOLUTION: [-18.5, 4.5, 18.5, 65.5, 87.0, 5.0, -52.0, 30.5, 73.5, 58.0, 12.5, 8.0, 33.0]

PROBLEM: [-17, -1, -51, -86, 27, -27, 7, 42, -1, 88, 15, -88, -59, -50, -49]

SOLUTION:
[-9.0, -26.0, -68.5, -29.5, 0.0, -10.0, 24.5, 20.5, 43.5, 51.5, -36.5, -73.5, -54.5, -49.5]