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, 50, -16, -45, 72]

SOLUTION: [25.5, 17.0, -30.5, 13.5]

PROBLEM: [-34, 7, -83, 25, -31, 7]

SOLUTION: [-13.5, -38.0, -29.0, -3.0, -12.0]

PROBLEM: [82, 18, -7, -25, -20, -59]

SOLUTION:
[50.0, 5.5, -16.0, -22.5, -39.5]