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: [82, -6, -31, 31, 30]

SOLUTION: [38.0, -18.5, 0.0, 30.5]

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: [49, -92, 24, -1, 50, 67, 84, -2, -49, 26, -73, 88, -35, 31, 33]

SOLUTION:
[-21.5, -34.0, 11.5, 24.5, 58.5, 75.5, 41.0, -25.5, -11.5, -23.5, 7.5, 26.5, -2.0, 32.0]