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: [33, 46, -100, 16, 70, -36, 56, 71, -95]

SOLUTION: [39.5, -27.0, -42.0, 43.0, 17.0, 10.0, 63.5, -12.0]

PROBLEM: [-1, -95, 61, -8, 6, 98, 96, -32, 66, 44, -23, -90]

SOLUTION: [-48.0, -17.0, 26.5, -1.0, 52.0, 97.0, 32.0, 17.0, 55.0, 10.5, -56.5]

PROBLEM: [78, 89, -28]

SOLUTION:
[83.5, 30.5]