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: [40, -60, 97, -26, 39, -5]

SOLUTION: [-10.0, 18.5, 35.5, 6.5, 17.0]

PROBLEM: [36, -53]

SOLUTION: [-8.5]

PROBLEM: [-52, 20, -59, 41]

SOLUTION:
[-16.0, -19.5, -9.0]