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: [58, 71, 44]

SOLUTION: [64.5, 57.5]

PROBLEM: [79, -21, 98, 57, -90, 11, 45, -2, 6, -34]

SOLUTION: [29.0, 38.5, 77.5, -16.5, -39.5, 28.0, 21.5, 2.0, -14.0]

PROBLEM: [26, 91, -15, 57, 17]

SOLUTION:
[58.5, 38.0, 21.0, 37.0]