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: [-23, 63, -6, 66, -53, 18, -45]

SOLUTION: [20.0, 28.5, 30.0, 6.5, -17.5, -13.5]

PROBLEM: [-84, -94, 9, 35, 85, -69, -84, 86, -11, 44]

SOLUTION: [-89.0, -42.5, 22.0, 60.0, 8.0, -76.5, 1.0, 37.5, 16.5]

PROBLEM: [-43, -26]

SOLUTION:
[-34.5]