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: [-81, -5, -18, -96, 28, -86, 50, 63, 80, -52]

SOLUTION: [-43.0, -11.5, -57.0, -34.0, -29.0, -18.0, 56.5, 71.5, 14.0]

PROBLEM: [-84, -19]

SOLUTION: [-51.5]

PROBLEM: [67, 30, -50, 70, 38, -66, 66, -49, -20, -97, 58, 93, -25, -17]

SOLUTION:
[48.5, -10.0, 10.0, 54.0, -14.0, 0.0, 8.5, -34.5, -58.5, -19.5, 75.5, 34.0, -21.0]