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: [-74, -74, 64, -88, 59, 99, 27, -18, -49]

SOLUTION: [-74.0, -5.0, -12.0, -14.5, 79.0, 63.0, 4.5, -33.5]

PROBLEM: [34, -47, 92, -36, 63, 63, -15, 93, 3, -77, -86, -12, -86]

SOLUTION: [-6.5, 22.5, 28.0, 13.5, 63.0, 24.0, 39.0, 48.0, -37.0, -81.5, -49.0, -49.0]

PROBLEM: [-79, -47, -85, 8, 91, -23, -100, -49, 2]

SOLUTION:
[-63.0, -66.0, -38.5, 49.5, 34.0, -61.5, -74.5, -23.5]