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: [59, -19, -85]

SOLUTION: [20.0, -52.0]

PROBLEM: [15, -79, 68, 87, 83, -93, 45, 37, 63, -24, 80, -77, 74, -53]

SOLUTION: [-32.0, -5.5, 77.5, 85.0, -5.0, -24.0, 41.0, 50.0, 19.5, 28.0, 1.5, -1.5, 10.5]

PROBLEM: [0, 55, -28]

SOLUTION:
[27.5, 13.5]