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, 16, 56, 44, 37, -82, -63]

SOLUTION: [3.5, 36.0, 50.0, 40.5, -22.5, -72.5]

PROBLEM: [91, -52, -63, 41]

SOLUTION: [19.5, -57.5, -11.0]

PROBLEM: [-77, -52, 64, 34, -9, 29, -91, 90, 8, -87, 34, 1, -8]

SOLUTION:
[-64.5, 6.0, 49.0, 12.5, 10.0, -31.0, -0.5, 49.0, -39.5, -26.5, 17.5, -3.5]