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: [-19, 69, 5, -99, 92, 24]

SOLUTION: [25.0, 37.0, -47.0, -3.5, 58.0]

PROBLEM: [-14, 33, -89]

SOLUTION: [9.5, -28.0]

PROBLEM: [-25, -45, -60, -50, 36, -63, 26, 94, -12, 93, 64, 12, -26, 89]

SOLUTION:
[-35.0, -52.5, -55.0, -7.0, -13.5, -18.5, 60.0, 41.0, 40.5, 78.5, 38.0, -7.0, 31.5]