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: [0, -19, -44, 90, -50, 22, 23, -79, -37, 9, -3]

SOLUTION: [-9.5, -31.5, 23.0, 20.0, -14.0, 22.5, -28.0, -58.0, -14.0, 3.0]

PROBLEM: [-16, 64, -90, -98, -31, 44, 49, -51]

SOLUTION: [24.0, -13.0, -94.0, -64.5, 6.5, 46.5, -1.0]

PROBLEM: [-40, -46, 91, -20, -27, -100]

SOLUTION:
[-43.0, 22.5, 35.5, -23.5, -63.5]