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: [87, 34, 59, -97, -67, -71, -28, -51, 56]

SOLUTION: [60.5, 46.5, -19.0, -82.0, -69.0, -49.5, -39.5, 2.5]

PROBLEM: [-47, -92, 82, -29, -21, -46, -47, 55, -27, -9, 39, -94, 81]

SOLUTION: [-69.5, -5.0, 26.5, -25.0, -33.5, -46.5, 4.0, 14.0, -18.0, 15.0, -27.5, -6.5]

PROBLEM: [-82, 58, -76, -70, 76, -72]

SOLUTION:
[-12.0, -9.0, -73.0, 3.0, 2.0]

