Instructions: 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].
Input: [-34, 34, -27, -93, -50, 31, -51, -85, 22, -100, -64, 70, 17]
Output:
[0.0, 3.5, -60.0, -71.5, -9.5, -10.0, -68.0, -31.5, -39.0, -82.0, 3.0, 43.5]