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, -24, -56, -81, 53, 60, 5, -82, -14, -26, -31, -83, 17]

SOLUTION: [34.0, -40.0, -68.5, -14.0, 56.5, 32.5, -38.5, -48.0, -20.0, -28.5, -57.0, -33.0]

PROBLEM: [-54, -41, 62, -97, 75, 85, -38, -11, 99, -77, 36]

SOLUTION: [-47.5, 10.5, -17.5, -11.0, 80.0, 23.5, -24.5, 44.0, 11.0, -20.5]

PROBLEM: [-84, -29]

SOLUTION:
[-56.5]