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: [-63, -20, 13, 6, -94]

SOLUTION: [-41.5, -3.5, 9.5, -44.0]

PROBLEM: [-89, -9, -14, -28, 41, 44, 86, 40, 75, 30, -1, 86]

SOLUTION: [-49.0, -11.5, -21.0, 6.5, 42.5, 65.0, 63.0, 57.5, 52.5, 14.5, 42.5]

PROBLEM: [97, 11, 21, 80, 1, -73, -20, 88]

SOLUTION:
[54.0, 16.0, 50.5, 40.5, -36.0, -46.5, 34.0]