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: [82, -37, 81]

SOLUTION: [22.5, 22.0]

PROBLEM: [-79, 58]

SOLUTION: [-10.5]

PROBLEM: [12, 36, 87, -50, 31, 46]

SOLUTION:
[24.0, 61.5, 18.5, -9.5, 38.5]

