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: [-25, 29, 0, -66, -92, 11, -89, -35, 80, -69, 81, -69]

SOLUTION: [2.0, 14.5, -33.0, -79.0, -40.5, -39.0, -62.0, 22.5, 5.5, 6.0, 6.0]

PROBLEM: [40, 77, 36, 50, 36, 89, -13, 75, -57, -13, 15, 42, 72, 21]

SOLUTION: [58.5, 56.5, 43.0, 43.0, 62.5, 38.0, 31.0, 9.0, -35.0, 1.0, 28.5, 57.0, 46.5]

PROBLEM: [1, -82, 19, 95, 0, -63, -25, -45, 25, -39, -11, 39, 57, -45]

SOLUTION:
[-40.5, -31.5, 57.0, 47.5, -31.5, -44.0, -35.0, -10.0, -7.0, -25.0, 14.0, 48.0, 6.0]