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: [-96, 58, -84, -38, 62, 47, 77, -64, 97, 42, 55, 83, -69]

SOLUTION: [-19.0, -13.0, -61.0, 12.0, 54.5, 62.0, 6.5, 16.5, 69.5, 48.5, 69.0, 7.0]

PROBLEM: [-19, 17, -76, 38, 49, -1, 98, -89, -27, 49, 6, 44, 81, 0, 80]

SOLUTION: [-1.0, -29.5, -19.0, 43.5, 24.0, 48.5, 4.5, -58.0, 11.0, 27.5, 25.0, 62.5, 40.5, 40.0]

PROBLEM: [-47, -95, -71, 81, 50, -26, 48, 30, -45, -70, 0]

SOLUTION:
[-71.0, -83.0, 5.0, 65.5, 12.0, 11.0, 39.0, -7.5, -57.5, -35.0]