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: [-12, -11, -13, 37, 73, -7, -15, 62, 1, 5, 93, -30, 21, 29, 99]

SOLUTION: [-11.5, -12.0, 12.0, 55.0, 33.0, -11.0, 23.5, 31.5, 3.0, 49.0, 31.5, -4.5, 25.0, 64.0]

PROBLEM: [44, 85, 40, 93]

SOLUTION: [64.5, 62.5, 66.5]

PROBLEM: [-19, 41, 22, 66, -95, 65, 97, -8, -90, -24]

SOLUTION:
[11.0, 31.5, 44.0, -14.5, -15.0, 81.0, 44.5, -49.0, -57.0]