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: [-5, 81, 50, -12, 34, 99, -50, -91, -12, 2, 97, 2, -16, 79]

SOLUTION: [38.0, 65.5, 19.0, 11.0, 66.5, 24.5, -70.5, -51.5, -5.0, 49.5, 49.5, -7.0, 31.5]

PROBLEM: [36, 29, -68, 61, 3, 6, -24, 58, 28, -86, -37, 32]

SOLUTION: [32.5, -19.5, -3.5, 32.0, 4.5, -9.0, 17.0, 43.0, -29.0, -61.5, -2.5]

PROBLEM: [17, -35, 70, -87, -17, 90, 66, -19, 86, -91, -30, 53, 51]

SOLUTION:
[-9.0, 17.5, -8.5, -52.0, 36.5, 78.0, 23.5, 33.5, -2.5, -60.5, 11.5, 52.0]