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: [1, -27, 100, -100, -52, -57, 25, -14, -46, 81]

SOLUTION: [-13.0, 36.5, 0.0, -76.0, -54.5, -16.0, 5.5, -30.0, 17.5]

PROBLEM: [49, -66]

SOLUTION: [-8.5]

PROBLEM: [58, 71, 44]

SOLUTION:
[64.5, 57.5]