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].
[9, -75, 80, 29, 84, -15, 3, 32, -10, 59, 15, 14, 47, -69, -11]