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: [-100, -100, -39, 13, 24, -2, 77, 37, -20, -38, 18, 55]

SOLUTION: [-100.0, -69.5, -13.0, 18.5, 11.0, 37.5, 57.0, 8.5, -29.0, -10.0, 36.5]

PROBLEM: [49, -66]

SOLUTION: [-8.5]

PROBLEM: [2, 93, -8, -92, 20, -85, -98, -13]

SOLUTION:
[47.5, 42.5, -50.0, -36.0, -32.5, -91.5, -55.5]