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: [26, 9, 40, -46, -86, 9, 8, 38, 33, -64, -29, -53, -21, 75, -46]
Output:
[17.5, 24.5, -3.0, -66.0, -38.5, 8.5, 23.0, 35.5, -15.5, -46.5, -41.0, -37.0, 27.0, 14.5]