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: [-42, -27, -37, -63, 89, -61, -68]

SOLUTION: [-34.5, -32.0, -50.0, 13.0, 14.0, -64.5]

PROBLEM: [-53, -56, -45, -28, -18, 57, -43, 80, 49, -74, 25]

SOLUTION: [-54.5, -50.5, -36.5, -23.0, 19.5, 7.0, 18.5, 64.5, -12.5, -24.5]

PROBLEM: [-37, -51, -82, -74, -52, 81, 79, 22]

SOLUTION:
[-44.0, -66.5, -78.0, -63.0, 14.5, 80.0, 50.5]