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: [-24, -77, -80, -97, 30, -25, -95, 97, -92]

SOLUTION: [-50.5, -78.5, -88.5, -33.5, 2.5, -60.0, 1.0, 2.5]

PROBLEM: [-19, 69, 5, -99, 92, 24]

SOLUTION: [25.0, 37.0, -47.0, -3.5, 58.0]

PROBLEM: [87, 87, 92, -16]

SOLUTION:
[87.0, 89.5, 38.0]