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: [-88, 35, 91, 54, -25]

SOLUTION: [-26.5, 63.0, 72.5, 14.5]

PROBLEM: [21, 0, 32, 60, 36, -98, -33, 36, 23]

SOLUTION: [10.5, 16.0, 46.0, 48.0, -31.0, -65.5, 1.5, 29.5]

PROBLEM: [-20, -44, 91]

SOLUTION:
[-32.0, 23.5]