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, -67, 28, 48, 8, -40, 60, 25, 55, -34, 96, -36]

SOLUTION: [3.5, -19.5, 38.0, 28.0, -16.0, 10.0, 42.5, 40.0, 10.5, 31.0, 30.0]

PROBLEM: [-71, -50, 89, 64, -54, 29, 65, -13, -13, -58]

SOLUTION: [-60.5, 19.5, 76.5, 5.0, -12.5, 47.0, 26.0, -13.0, -35.5]

PROBLEM: [26, 81, -34, 21, 63, 100, 90, -8, -26, 23, 37, 4]

SOLUTION:
[53.5, 23.5, -6.5, 42.0, 81.5, 95.0, 41.0, -17.0, -1.5, 30.0, 20.5]