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: [92, -17, -95, -37, -56, 82, -96, 89, 35, -22, -58, -7, 80, 86, 55]

SOLUTION: [37.5, -56.0, -66.0, -46.5, 13.0, -7.0, -3.5, 62.0, 6.5, -40.0, -32.5, 36.5, 83.0, 70.5]

PROBLEM: [58, 51, 76, 8, 35, 37, 94, -73]

SOLUTION: [54.5, 63.5, 42.0, 21.5, 36.0, 65.5, 10.5]

PROBLEM: [68, -94, 88, -61]

SOLUTION:
[-13.0, -3.0, 13.5]